The

thorny-headed worm Acanthocephala (Greek , ', thorn + , ', head) is a phylum of parasitic worms known as acanthocephalans, thorny-headed worms, or spiny-headed worms, characterized by the presence of an eversible proboscis, armed with spines, which it uses to p ...

family Family (from la, familia) is a group of people related either by consanguinity (by recognized birth) or affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its members and of society. Idea ...

Polymorphidae contains

endoparasite Parasitism is a close relationship between species, where one organism, the parasite, lives on or inside another organism, the host, causing it some harm, and is adapted structurally to this way of life. The entomologist E. O. Wilson has c ...

s which as adults feed mainly in

fish Fish are aquatic, craniate, gill-bearing animals that lack limbs with digits. Included in this definition are the living hagfish, lampreys, and cartilaginous and bony fish as well as various extinct related groups. Approximately 95% ...

and aquatic

bird Birds are a group of warm-blooded vertebrates constituting the class Aves (), characterised by feathers, toothless beaked jaws, the laying of hard-shelled eggs, a high metabolic rate, a four-chambered heart, and a strong yet lightweig ...

s. When this

taxon In biology, a taxon ( back-formation from '' taxonomy''; plural taxa) is a group of one or more populations of an organism or organisms seen by taxonomists to form a unit. Although neither is required, a taxon is usually known by a particular n ...

was erected by Meyer in 1931, a subfamily Polymorphinae was established in it. As the Polymorphidae as presently understood would then be

monotypic In biology, a monotypic taxon is a taxonomic group (taxon) that contains only one immediately subordinate taxon. A monotypic species is one that does not include subspecies or smaller, infraspecific taxa. In the case of genera, the term "unispec ...

, with no

basal Basal or basilar is a term meaning ''base'', ''bottom'', or ''minimum''. Science * Basal (anatomy), an anatomical term of location for features associated with the base of an organism or structure * Basal (medicine), a minimal level that is nec ...

genera Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus comes above species and below family. In binomial ...

outside the Polymorphinae, the proposed subfamily is redundant for the time being and therefore most modern treatments simply omit it. ''

Polymorphus minutus ''Polymorphus minutus'' is a species of Acanthocephala in the family Polymorphidae. They can grow up to 12.5 mm. It is an economically significant parasite in goose and duck farming. References Parasites Polymorphidae Acanthoceph ...

'' is an economically significant parasite in

goose A goose (plural, : geese) is a bird of any of several waterfowl species in the family (biology), family Anatidae. This group comprises the genera ''Anser (bird), Anser'' (the grey geese and white geese) and ''Branta'' (the black geese). Some o ...

and

duck Duck is the common name for numerous species of waterfowl in the family Anatidae. Ducks are generally smaller and shorter-necked than swans and geese, which are members of the same family. Divided among several subfamilies, they are a fo ...

farming.

Species

Polymorphidae contains the following species: ''Andracantha'' Schmidt, 1975 *''Andracantha baylisi'' (Zdzitowiecki, 1986) Zdzitowiecki, 1989 *''Andracantha clavata'' (Goss, 1940) ''Andracantha gravida'' (Alegret, 1941) Schmidt, 1975 *''Andracantha mergi'' Lundström, 1942 *''Andracantha phalacrocoracis'' (Yamaguti, 1939) *''Andracantha tandemtesticulata'' Monteiro, Amato & Amato, 2006 *''Andracantha tunitae'' (Weiss, 1914) ''Ardeirhynchus'' Dimitrova and Georgiev, 1994 *''Ardeirhynchus spiralis'' (Rudolphi, 1809) ''

Arhythmorhynchus ''Arhythmorhynchus'' is a genus of parasitic worms belonging to the family Polymorphidae The thorny-headed worm family Polymorphidae contains endoparasites which as adults feed mainly in fish and aquatic birds. When this taxon was erected by ...

'' Lühe, 1911 *''

Arhythmorhynchus capellae ''Arhythmorhynchus'' is a genus of parasitic worms belonging to the family Polymorphidae The thorny-headed worm family Polymorphidae contains endoparasites which as adults feed mainly in fish and aquatic birds. When this taxon was erected by ...

'' (Yamaguti, 1935) *''

Arhythmorhynchus comptus ''Arhythmorhynchus'' is a genus of parasitic worms belonging to the family Polymorphidae. The species of this genus are found in Europe and Northern America. Species: *''Arhythmorhynchus capellae ''Arhythmorhynchus'' is a genus of parasit ...

'' Van Cleave & Rausch, 1950 *''

Arhythmorhynchus distinctus ''Arhythmorhynchus'' is a genus of parasitic worms belonging to the family Polymorphidae. The species of this genus are found in Europe and Northern America. Species: *''Arhythmorhynchus capellae'' *''Arhythmorhynchus comptus ''Arhythmorh ...

'' Baer, 1956 *''

Arhythmorhynchus eroliae ''Arhythmorhynchus'' is a genus of parasitic worms belonging to the family Polymorphidae The thorny-headed worm family Polymorphidae contains endoparasites which as adults feed mainly in fish and aquatic birds. When this taxon was erected by ...

'' (Yamaguti, 1939) *''

Arhythmorhynchus frassoni ''Arhythmorhynchus'' is a genus of parasitic worms belonging to the family Polymorphidae The thorny-headed worm family Polymorphidae contains endoparasites which as adults feed mainly in fish and aquatic birds. When this taxon was erected by ...

'' (Molin, 1858) *''

Arhythmorhynchus frontospinosus ''Arhythmorhynchus'' is a genus of parasitic worms belonging to the family Polymorphidae The thorny-headed worm family Polymorphidae contains endoparasites which as adults feed mainly in fish and aquatic birds. When this taxon was erected by ...

'' (Tubangui, 1935) *''

Arhythmorhynchus jeffreyi ''Arhythmorhynchus'' is a genus of parasitic worms belonging to the family Polymorphidae The thorny-headed worm family Polymorphidae contains endoparasites which as adults feed mainly in fish and aquatic birds. When this taxon was erected by ...

'' Schmidt, 1973 *''

Arhythmorhynchus johnstoni ''Arhythmorhynchus'' is a genus of parasitic worms belonging to the family Polymorphidae The thorny-headed worm family Polymorphidae contains endoparasites which as adults feed mainly in fish and aquatic birds. When this taxon was erected by ...

'' Golvan, 1960 *''

Arhythmorhynchus limosae ''Arhythmorhynchus'' is a genus of parasitic worms belonging to the family Polymorphidae The thorny-headed worm family Polymorphidae contains endoparasites which as adults feed mainly in fish and aquatic birds. When this taxon was erected by ...

'' Edmonds, 1971 *''

Arhythmorhynchus petrochenkoi ''Arhythmorhynchus'' is a genus of parasitic worms belonging to the family Polymorphidae The thorny-headed worm family Polymorphidae contains endoparasites which as adults feed mainly in fish and aquatic birds. When this taxon was erected by ...

'' (Schmidt, 1969) *''

Arhythmorhynchus plicatus ''Arhythmorhynchus'' is a genus of parasitic worms belonging to the family Polymorphidae The thorny-headed worm family Polymorphidae contains endoparasites which as adults feed mainly in fish and aquatic birds. When this taxon was erected by ...

'' (von Linstow, 1883) *''

Arhythmorhynchus pumiliorostris ''Arhythmorhynchus'' is a genus of parasitic worms belonging to the family Polymorphidae The thorny-headed worm family Polymorphidae contains endoparasites which as adults feed mainly in fish and aquatic birds. When this taxon was erected by ...

'' Van Cleave, 1916 *''

Arhythmorhynchus rubicundus ''Arhythmorhynchus'' is a genus of parasitic worms belonging to the family Polymorphidae The thorny-headed worm family Polymorphidae contains endoparasites which as adults feed mainly in fish and aquatic birds. When this taxon was erected by ...

'' (Molin, 1859) *'' Arhythmorhynchus siluricola'' Dollfus, 1929 *'' Arhythmorhynchus suecicus'' Lundström, 1942 *'' Arhythmorhynchus teres'' Van Cleave, 1920 *'' Arhythmorhynchus tigrinus'' Moghe and Das, 1953 *'' Arhythmorhynchus trichocephalus'' (Leuckart, 1876) *'' Arhythmorhynchus tringi'' Gubanov, 1952 *'' Arhythmorhynchus turbidus'' (Van Cleave, 1937) *'' Arhythmorhynchus uncinatus'' (Kaiser, 1893) Lühe, 1912 *'' Arhythmorhynchus villoti'' Golvan, 1994 *'' Arhythmorhynchus xeni'' Atrashkevich, 1978 ''

Bolbosoma ''Bolbosoma'' is a genus in Acanthocephala (thorny-headed worms, also known as spiny-headed worms). Taxonomy The genus was described by Porta in 1908. Phylogenetic analysis has been published on ''Bolbosoma'' species. Description ''Bolbosoma' ...

'' Porta, 1908 Bolbosoma turbinella

*'' Bolbosoma australis'' Skrjabin, 1972 *'' Bolbosoma balaenae'' (Gmelin, 1790) *'' Bolbosoma brevicolle'' (Malm, 1867) *'' Bolbosoma caenoforme'' Heitz, 1920 *''

Bolbosoma capitatum ''Bolbosoma'' is a genus in Acanthocephala (thorny-headed worms, also known as spiny-headed worms). Taxonomy The genus was described by Porta in 1908. Phylogenetic analysis has been published on ''Bolbosoma'' species. Description ''Bolbosoma'' ...

'' (

Linstow Linstow or von Linstow may refer to: * Linstow AS, one of the largest companies of Norway * Dobbin-Linstow, a municipality in the Rostock district, in Mecklenburg-Vorpommern, Germany * Hans Linstow (1787–1851), a Danish-born, Norwegian archite ...

, 1880) *'' Bolbosoma hamiltoni'' Baylis, 1929 *'' Bolbosoma heteracanthis'' (Heitz, 1917) *'' Bolbosoma nipponicum'' Yamaguti, 1939 *'' Bolbosoma scomberomori'' Wang, 1981 *'' Bolbosoma tuberculata'' Skrjabin, 1970 *'' Bolbosoma turbinella'' (Diesing, 1851) *'' Bolbosoma vasculosum'' (Rudolphi, 1819) ''

Corynosoma ''Corynosoma'' is a genus of parasitic worms belonging to the family Polymorphidae. The genus has almost cosmopolitan distribution. Species: *''Corynosoma alaskensis'' *''Corynosoma australe'' *''Corynosoma beaglense'' *''Corynosoma bullo ...

'' Lühe, 1904

*'' Corynosoma alaskense'' Golvan, 1958 *''

Corynosoma australe ''Corynosoma autrale'' is a species of acanthocephalan (also known as thorny-headed worms, or spiny headed worms). This species usually infects pinnipeds; the semi-aquatic fin-footed marine mammals most commonly known as seals and sea lions. P ...

'' Johnston, 1937 *''

Corynosoma beaglense ''Corynosoma'' is a genus of parasitic worms belonging to the family Polymorphidae. The genus has almost cosmopolitan distribution. Species: *'' Corynosoma alaskensis'' *''Corynosoma australe'' *'' Corynosoma beaglense'' *''Corynosoma bull ...

'' Laskowski, Jeżewski & Zdzitowiecki, 2008 *''

Corynosoma bullosum ''Corynosoma'' is a genus of parasitic worms belonging to the family Polymorphidae. The genus has almost cosmopolitan distribution. Species: *''Corynosoma alaskensis'' *''Corynosoma australe'' *''Corynosoma beaglense'' *''Corynosoma bullosu ...

'' (

, 1892) *''

Corynosoma cameroni ''Corynosoma'' is a genus of parasitic worms belonging to the family Polymorphidae. The genus has almost cosmopolitan distribution. Species: *'' Corynosoma alaskensis'' *''Corynosoma australe'' *''Corynosoma beaglense'' *''Corynosoma bullo ...

'' Van Cleave, 1953 *'' Corynosoma capsicum'' Golvan and Mokhayer, 1973 *''

Corynosoma cetaceum ''Corynosoma'' is a genus of parasitic worms belonging to the family Polymorphidae. The genus has almost cosmopolitan distribution. Species: *'' Corynosoma alaskensis'' *''Corynosoma australe'' *'' Corynosoma beaglense'' *'' Corynosoma bul ...

'' Johnston & Best, 1942 *''

Corynosoma curilense ''Corynosoma'' is a genus of parasitic worms belonging to the family Polymorphidae. The genus has almost cosmopolitan distribution. Species: *''Corynosoma alaskensis'' *''Corynosoma australe'' *'' Corynosoma beaglense'' *'' Corynosoma bullo ...

'' Gubanov, 1942 *''

Corynosoma enhydri ''Corynosoma'' is a genus of parasitic worms belonging to the family Polymorphidae. The genus has almost cosmopolitan distribution. Species: *'' Corynosoma alaskensis'' *''Corynosoma australe'' *''Corynosoma beaglense'' *''Corynosoma bullo ...

'' Morozov, 1940 *'' Corynosoma eperlani'' (

, 1884) *''

Corynosoma erignathi ''Corynosoma'' is a genus of parasitic worms belonging to the family Polymorphidae. The genus has almost cosmopolitan distribution. Species: *'' Corynosoma alaskensis'' *''Corynosoma australe'' *''Corynosoma beaglense'' *''Corynosoma bullo ...

'' Stryukov, 2000 *''

Corynosoma evae ''Corynosoma'' is a genus of parasitic worms belonging to the family Polymorphidae. The genus has almost cosmopolitan distribution. Species: *'' Corynosoma alaskensis'' *''Corynosoma australe'' *''Corynosoma beaglense'' *''Corynosoma bullo ...

'' Zdzitowiecki, 1984 *''

Corynosoma falcatum ''Corynosoma'' is a genus of parasitic worms belonging to the family Polymorphidae. The genus has almost cosmopolitan distribution. Species: *'' Corynosoma alaskensis'' *''Corynosoma australe'' *''Corynosoma beaglense'' *''Corynosoma bullo ...

'' Van Cleave, 1953 *''

Corynosoma gibsoni ''Corynosoma'' is a genus of parasitic worms belonging to the family Polymorphidae. The genus has almost cosmopolitan distribution. Species: *'' Corynosoma alaskensis'' *''Corynosoma australe'' *''Corynosoma beaglense'' *''Corynosoma bull ...

'' Zdzitowiecki, 1986 *'' Corynosoma hadweni'' Van Cleave, 1953 *''

Corynosoma hamanni ''Corynosoma'' is a genus of parasitic worms belonging to the family Polymorphidae. The genus has almost cosmopolitan distribution. Species: *''Corynosoma alaskensis'' *''Corynosoma australe'' *''Corynosoma beaglense'' *''Corynosoma bullo ...

'' (

, 1892) *''

Corynosoma hannae ''Corynosoma'' is a genus of parasitic worms belonging to the family Polymorphidae. The genus has almost cosmopolitan distribution. Species: *'' Corynosoma alaskensis'' *''Corynosoma australe'' *'' Corynosoma beaglense'' *'' Corynosoma bul ...

'' Zdzitowiecki, 1984 *'' Corynosoma longilemniscatus'' Machado-Filho, 1961 *'' Corynosoma macrosomum'' Neiland, 1962 *''

Corynosoma magdaleni ''Corynosoma'' is a genus of parasitic worms belonging to the family Polymorphidae. The genus has almost cosmopolitan distribution. Species: *'' Corynosoma alaskensis'' *''Corynosoma australe'' *'' Corynosoma beaglense'' *''Corynosoma bull ...

'' Montreuil, 1958 *'' Corynosoma mandarinca'' Oshmarin, 1963 *'' Corynosoma obtuscens'' Lincicome, 1943 *'' Corynosoma osmeri'' Fujita, 1921 *'' Corynosoma otariae'' Morini and Boero, 1961 *''

Corynosoma pseudohamanni ''Corynosoma'' is a genus of parasitic worms belonging to the family Polymorphidae. The genus has almost cosmopolitan distribution. Species: *''Corynosoma alaskensis'' *''Corynosoma australe'' *''Corynosoma beaglense'' *''Corynosoma bullo ...

'' Zdzitowiecki, 1984 *'' Corynosoma pyriforme'' (Bremser, 1824) *''

Corynosoma rauschi ''Corynosoma'' is a genus of parasitic worms belonging to the family Polymorphidae. The genus has almost cosmopolitan distribution. Species: *''Corynosoma alaskensis'' *''Corynosoma australe'' *''Corynosoma beaglense'' *''Corynosoma bullo ...

'' Golvan, 1958 *''

Corynosoma reductum ''Corynosoma'' is a genus of parasitic worms belonging to the family Polymorphidae. The genus has almost cosmopolitan distribution. Species: *''Corynosoma alaskensis'' *''Corynosoma australe'' *''Corynosoma beaglense'' *''Corynosoma bullo ...

'' (

, 1905) *''

Corynosoma semerme ''Corynosoma'' is a genus of parasitic worms belonging to the family Polymorphidae. The genus has almost cosmopolitan distribution. Species: *''Corynosoma alaskensis'' *''Corynosoma australe'' *''Corynosoma beaglense'' *''Corynosoma bullo ...

'' (Forssell, 1904) *''

Corynosoma septentrionale ''Corynosoma'' is a genus of parasitic worms belonging to the family Polymorphidae. The genus has almost cosmopolitan distribution. Species: *''Corynosoma alaskensis'' *''Corynosoma australe'' *''Corynosoma beaglense'' *''Corynosoma bullo ...

'' Treshchev, 1966 *'' Corynosoma seropedicus'' Machado-Filho, 1970 *''

Corynosoma shackletoni ''Corynosoma'' is a genus of parasitic worms belonging to the family Polymorphidae. The genus has almost cosmopolitan distribution. Species: *''Corynosoma alaskensis'' *''Corynosoma australe'' *''Corynosoma beaglense'' *''Corynosoma bullo ...

'' Zdzitowiecki, 1978 *''

Corynosoma simile ''Corynosoma'' is a genus of parasitic worms belonging to the family Polymorphidae. The genus has almost cosmopolitan distribution. Species: *''Corynosoma alaskensis'' *''Corynosoma australe'' *''Corynosoma beaglense'' *''Corynosoma bullo ...

'' Neiland, 1962 *''

Corynosoma stanleyi ''Corynosoma'' is a genus of parasitic worms belonging to the family Polymorphidae. The genus has almost cosmopolitan distribution. Species: *''Corynosoma alaskensis'' *''Corynosoma australe'' *''Corynosoma beaglense'' *''Corynosoma bullo ...

'' Smales, 1986 *''

Corynosoma strumosum ''Corynosoma'' is a genus of parasitic worms belonging to the family Polymorphidae. The genus has almost cosmopolitan distribution. Species: *''Corynosoma alaskensis'' *''Corynosoma australe'' *''Corynosoma beaglense'' *''Corynosoma bullo ...

'' (Rudolphi, 1802) Lühe, 1904 *'' Corynosoma sudsuche'' Belopolskaia, 1958 *''

Corynosoma validum ''Corynosoma'' is a genus of parasitic worms belonging to the family Polymorphidae. The genus has almost cosmopolitan distribution. Species: *''Corynosoma alaskensis'' *''Corynosoma australe'' *''Corynosoma beaglense'' *''Corynosoma bullo ...

'' Van Cleave, 1953 *''

Corynosoma ventronudum ''Corynosoma'' is a genus of parasitic worms belonging to the family Polymorphidae. The genus has almost cosmopolitan distribution. Species: *''Corynosoma alaskensis'' *''Corynosoma australe'' *''Corynosoma beaglense'' *''Corynosoma bullo ...

'' Skrjabin, 1959 *''

Corynosoma villosum ''Corynosoma'' is a genus of parasitic worms belonging to the family Polymorphidae. The genus has almost cosmopolitan distribution. Species: *''Corynosoma alaskensis'' *''Corynosoma australe'' *''Corynosoma beaglense'' *''Corynosoma bullosu ...

'' Van Cleave, 1953 *''

Corynosoma wegeneri ''Corynosoma'' is a genus of parasitic worms belonging to the family Polymorphidae. The genus has almost cosmopolitan distribution. Species: *''Corynosoma alaskensis'' *''Corynosoma australe'' *''Corynosoma beaglense'' *''Corynosoma bullo ...

'' Heinze, 1934 '' Diplospinifer'' Fukui, 1929 *'' Diplospinifer serpenticola'' Fukui, 1929 '' Filicollis'' Lühe, 1911 *'' Filicollis anatis'' (Schrank, 1788) *'' Filicollis trophimenkoi'' Atrashkevich, 1982 '' Ibirhynchus'' García-Valera, Pérez-Ponce de León, Aznar and Nadler, 2011 *'' Ibirhynchus dimorpha'' (Schmidt, 1973) '' Neoandracantha'' Amin & Heckmann, 2017 *''

Neoandracantha peruensis ''Neoandracantha'' is a genus of parasitic worms from the phylum Acanthocephala. The genus was created in 2017 by Amin & Heckmann for the single species ''Neoandracantha peruensis''. The genus was differentiated from the closely related genus ...

'' Amin & Heckmann, 2017 ''Polymorphus'' Lühe, 1911 The genus polymorphus uses amphipod crustaceans as intermediate hosts and various birds as final hosts. The genus used to be a larger group, but species that were formerly placed in the genus have now been placed in the genus ''Profilicollis'' based on morphological characteristics and the use of decapod crustaceans as intermediate hosts.B.B. Nickol, D.W.T. Crompton, and D.W. Searle (1999). "Reintroduction of ''Profilicollis'' Meyer, 1931, as a genus in Acanthocephala: Significance of the intermediate host." ''Journal of Parasitology'' 85(4):716-718 * '' Polymorphus actuganensis'' Petrochenko, 1949 * '' Polymorphus acutis'' Van Cleave and Starrett, 1940 * '' Polymorphus arctocephali'' Smales, 1986 * '' Polymorphus ariusis'' (Bilqees, 1971) * '' Polymorphus biziurae'' Johnston and Edmonds, 1948 * '' Polymorphus boschadis'' (Schrank, 1788) * '' Polymorphus brevis'' (Van Cleave, 1916) * '' Polymorphus chongqingensis'' Liu, Zhang and Zhang, 1990 * '' Polymorphus cincli'' Belopolskaya, 1959 * '' Polymorphus contortus'' (Bremser in Westrumb, 1821) * '' Polymorphus corynoides'' Skrjabin, 1913 * '' Polymorphus corynosoma'' Travassos, 1915 * '' Polymorphus crassus'' Van Cleave, 1924 * ''

Polymorphus cucullatus ''Polymorphus'' is a genus of parasitic worms from the phylum Acanthocephala. This group uses amphipod crustaceans as intermediate hosts and various birds as final hosts. The genus used to be a larger group, but species that were formerly place ...

'' Van Cleave and Starrett, 1940 * '' Polymorphus diploinflatus'' Lundström, 1942 * ''

Polymorphus fatimaae ''Polymorphus fatimaae'' is a species of Acanthocephala in the family Polymorphidae. It was first described in 2008. It can be found in Hyderabad, Sindh Hyderabad ( Sindhi and ur, ; ) is a city and the capital of Hyderabad Division in ...

'' Khan, Dharejo, Birmani and Bilqees, 2008 * '' Polymorphus fulicai'' Birmani, Dharejo and Khan, 2011 * '' Polymorphus gavii'' Hokhlova, 1965 * ''

Polymorphus inermis ''Polymorphus'' is a genus of parasitic worms from the phylum Acanthocephala. This group uses amphipod crustaceans as intermediate hosts and various birds as final hosts. The genus used to be a larger group, but species that were formerly place ...

'' Travassos, 1923 * ''

Polymorphus karachiensis ''Polymorphus'' is a genus of parasitic worms from the phylum Acanthocephala. This group uses amphipod crustaceans as intermediate hosts and various birds as final hosts. The genus used to be a larger group, but species that were formerly place ...

'' (Bilqees, 1971) * ''

Polymorphus kostylewi ''Polymorphus'' is a genus of parasitic worms from the phylum Acanthocephala. This group uses amphipod crustaceans as intermediate hosts and various birds as final hosts. The genus used to be a larger group, but species that were formerly place ...

'' Petrochenko, 1949 * ''

Polymorphus magnus ''Polymorphus'' is a genus of parasitic worms from the phylum Acanthocephala. This group uses amphipod crustaceans as intermediate hosts and various birds as final hosts. The genus used to be a larger group, but species that were formerly place ...

'' Skrjabin, 1913 * ''

Polymorphus marchii ''Polymorphus'' is a genus of parasitic worms from the phylum Acanthocephala. This group uses amphipod crustaceans as intermediate hosts and various birds as final hosts. The genus used to be a larger group, but species that were formerly place ...

'' (Porta, 1910) * ''

Polymorphus marilis ''Polymorphus'' is a genus of parasitic worms from the phylum Acanthocephala. This group uses amphipod crustaceans as intermediate hosts and various birds as final hosts. The genus used to be a larger group, but species that were formerly place ...

'' Van Cleave, 1939 * ''

Polymorphus mathevossianae ''Polymorphus'' is a genus of parasitic worms from the phylum Acanthocephala. This group uses amphipod crustaceans as intermediate hosts and various birds as final hosts. The genus used to be a larger group, but species that were formerly place ...

'' Petrochenko, 1949 * ''

Polymorphus meyeri ''Polymorphus'' is a genus of parasitic worms from the phylum Acanthocephala. This group uses amphipod crustaceans as intermediate hosts and various birds as final hosts. The genus used to be a larger group, but species that were formerly place ...

'' Lundström, 1942 * ''

Polymorphus miniatus ''Polymorphus'' is a genus of parasitic worms from the phylum Acanthocephala. This group uses amphipod crustaceans as intermediate hosts and various birds as final hosts. The genus used to be a larger group, but species that were formerly place ...

'' (von Linstow, 1896) * ''

'' (Goeze, 1782) * ''

Polymorphus mohiuddini ''Polymorphus'' is a genus of parasitic worms from the phylum Acanthocephala. This group uses amphipod crustaceans as intermediate hosts and various birds as final hosts. The genus used to be a larger group, but species that were formerly place ...

'' Muti-ur-Rahman, Khan, Bilqees and Khatoon, 2008 * '' Polymorphus mutabilis'' (Rudolphi, 1819) * '' Polymorphus nickoli'' Khan and Bilqees, 1998 * '' Polymorphus obtusus'' Van Cleave, 1918 * '' Polymorphus paradoxus'' Connell and Corner, 1957 * '' Polymorphus paucihamatus'' Heinze, 1936 * '' Polymorphus phippsi'' Kostylew, 1922 * '' Polymorphus piriformis'' (Bremser in Rudolphi, 1819) * '' Polymorphus pupa'' (von Linstow, 1905) * '' Polymorphus sichuanensis'' Wang and Zhang, 1987 * '' Polymorphus sindensis'' Khan, Ghazi and Bilqees, 2002 * '' Polymorphus spindlatus'' Amin and Heckmann, 1991 * '' Polymorphus striatus'' (Goeze, 1782) * '' Polymorphus strumosoides'' Lundström, 1942 * '' Polymorphus swartzi'' Schmidt, 1965 * '' Polymorphus trochus'' Van Cleave, 1945 '' Profilicollis'' Meyer, 1931 *'' Profilicollis altmani'' (Perry, 1942) Van Cleave, 1947 *'' Profilicollis antarcticus'' (Zdzitowiecki, 1985) *'' Profilicollis arcticus'' (Van Cleave, 1920) *'' Profilicollis botulus'' (Van Cleave, 1916) *'' Profilicollis chasmagnathi'' (Holcman-Spector, Mañé-Garzón & Dei-Cas, 1977) Golvan, 1994 *'' Profilicollis formosus'' (Schmidt & Kuntz, 1967) *'' Profilicollis major'' (Lundström, 1942) *'' Profilicollis novaezelandensis'' Brockerhoff & Smales, 2002 *'' Profilicollis sphaerocephalus'' (Bremser in Rudolphi, 1819) '' Pseudocorynosoma'' Aznar, Pérez-Ponce de León & Raga, 2006 *'' Pseudocorynosoma anatarium'' (Van Cleave, 1945) Aznar, Pérez-Ponce de León & Raga, 2006 *'' Pseudocorynosoma constrictum'' (Van Cleave, 1918) Aznar, Pérez-Ponce de León & Raga, 2006 *'' Pseudocorynosoma enrietti'' (Molfi & Fernandes, 1953) Aznar, Pérez-Ponce de León & Raga, 2006 *'' Pseudocorynosoma iheringi'' (Machado-Filho, 1961) Aznar, Pérez-Ponce de León & Raga, 2006 *'' Pseudocorynosoma peposacae'' (Porta, 1914) Aznar, Pérez-Ponce de León & Raga, 2006 *'' Pseudocorynosoma tepehuanesi'' García-Varela, Henández-Orts & Pinacho-Pinacho, 2017 ''Southwellina'' Witenberg, 1932 *''Southwellina hispida'' (Van Cleave, 1925) *''Southwellina macracanthus'' (Ward and Winter, 1952) *''Southwellina sacra'' Bhattacharya, Pande & Srivastaca, 2002 ''Tenuisoma''Presswell, B., Bennett, J.D.L. & Smales, L.R. Morphological and molecular characterisation of a new genus and species of acanthocephalan, Tenuisoma tarapungi n. g., n. sp. (Acanthocephala: Polymorphidae) infecting red-billed gulls in New Zealand, with a key to the genera of the Polymorphidae Meyer, 1931. Syst Parasitol 97, 25–39 (2020). https://doi.org/10.1007/s11230-019-09898-0 *''Tenuisoma tarapungi'' ''T. tarapungi'' was found in the intestines of the

red-billed gull The red-billed gull (''Chroicocephalus novaehollandiae scopulinus''), also known as tarāpunga and once also known as the mackerel gull, is a native of New Zealand, being found throughout the country and on outlying islands including the Chatha ...

(''Chroicocephalus scopulinus'') on the coast of

Otago Otago (, ; mi, Ōtākou ) is a region of New Zealand located in the southern half of the South Island administered by the Otago Regional Council. It has an area of approximately , making it the country's second largest local government reg ...

New Zealand New Zealand ( mi, Aotearoa ) is an island country in the southwestern Pacific Ocean. It consists of two main landmasses—the North Island () and the South Island ()—and over 700 List of islands of New Zealand, smaller islands. It is the ...

Notes

References

External links

Polymorphidae taxon listGenera of Polymorphidae at the World Register of Marine Species web-site
{{Taxonbar, from=Q2534360 Polymorphida Acanthocephala families