Ptychoderidae is a family of
acorn worm
The acorn worms or Enteropneusta are a hemichordate class of invertebrates consisting of one order of the same name. The closest non-hemichordate relatives of the Enteropneusta are the echinoderms. There are 111 known species of acorn worm in th ...
s.
Genera and species
The World Register of Marine Species lists the following:
Ptychoderidae
World Register of Marine Species. Retrieved 2011-10-17.
Balanoglossus
Contains the following species:
* ''Balanoglossus apertus
''Balanoglossus'' is a genus of ocean-dwelling acorn worms (Enteropneusta). It has zoological importance because, being hemichordates, they are an "evolutionary link" between invertebrates and vertebrates. ''Balanoglossus'' is a deuterostome, ...
'' (Spengel, 1893)
* ''Balanoglossus aurantiacus
''Balanoglossus'' is a genus of ocean-dwelling acorn worms (Enteropneusta). It has zoological importance because, being hemichordates, they are an "evolutionary link" between invertebrates and vertebrates. ''Balanoglossus'' is a deuterostome, ...
'' (Girard, 1853)
* ''Balanoglossus australiensis
''Balanoglossus australiensis'' is a species of long acorn worm in Ptychoderidae family which can be found in Gulf of Carpentaria, New Zealand, Australian cities such as Hawkesbury and Manning as well as Solomon Archipelago and its sea. Their ...
'' (Hill, 1894)
* ''Balanoglossus borealis
''Balanoglossus'' is a genus of ocean-dwelling acorn worms (Enteropneusta). It has zoological importance because, being hemichordates, they are an "evolutionary link" between invertebrates and vertebrates. ''Balanoglossus'' is a deuterostome, ...
'' (Willey, 1899)
* ''Balanoglossus capensis
''Balanoglossus'' is a genus of ocean-dwelling acorn worms (Enteropneusta). It has zoological importance because, being hemichordates, they are an "evolutionary link" between invertebrates and vertebrates. ''Balanoglossus'' is a deuterostome, ...
'' (Gilchrist, 1908)
* ''Balanoglossus carnosus
''Balanoglossus'' is a genus of ocean-dwelling acorn worms (Enteropneusta). It has zoological importance because, being hemichordates, they are an "evolutionary link" between invertebrates and vertebrates. ''Balanoglossus'' is a deuterostome, ...
'' Müller in Spengel, 1893
* ''Balanoglossus clavigerus
''Balanoglossus'' is a genus of ocean-dwelling acorn worms (Enteropneusta). It has zoological importance because, being hemichordates, they are an "evolutionary link" between invertebrates and vertebrates. ''Balanoglossus'' is a deuterostome, ...
'' delle Chiaje, 1829
* ''Balanoglossus gigas
''Balanoglossus'' is a genus of ocean-dwelling acorn worms (Enteropneusta). It has zoological importance because, being hemichordates, they are an "evolutionary link" between invertebrates and vertebrates. ''Balanoglossus'' is a deuterostome, ...
'' Müller in Spengel, 1893
* ''Balanoglossus hydrocephalus
''Balanoglossus'' is a genus of ocean-dwelling acorn worms (Enteropneusta). It has zoological importance because, being hemichordates, they are an "evolutionary link" between invertebrates and vertebrates. ''Balanoglossus'' is a deuterostome, ...
'' van der Horst
* ''Balanoglossus misakiensis
''Balanoglossus'' is a genus of ocean-dwelling acorn worms (Enteropneusta). It has zoological importance because, being hemichordates, they are an "evolutionary link" between invertebrates and vertebrates. ''Balanoglossus'' is a deuterostome, ...
'' Kuwano, 1902
* ''Balanoglossus natalensis
''Balanoglossus'' is a genus of ocean-dwelling acorn worms (Enteropneusta). It has zoological importance because, being hemichordates, they are an "evolutionary link" between invertebrates and vertebrates. ''Balanoglossus'' is a deuterostome, ...
'' (Gilchrist, 1908)
* '' Balanoglossus occidentalis'' Ritter, 1902
* '' Balanoglossus proterogonius'' Belichov, 1928
* '' Balanoglossus robinii'' author unknown
* ''Balanoglossus salmoneus
''Balanoglossus'' is a genus of ocean-dwelling acorn worms (Enteropneusta). It has zoological importance because, being hemichordates, they are an "evolutionary link" between invertebrates and vertebrates. ''Balanoglossus'' is a deuterostome, ...
'' Belichov, 1928
* ''Balanoglossus stephensoni
''Balanoglossus'' is a genus of ocean-dwelling acorn worms (Enteropneusta). It has zoological importance because, being hemichordates, they are an "evolutionary link" between invertebrates and vertebrates. ''Balanoglossus'' is a deuterostome, ...
'' van der Horst, 1937
* ''Balanoglossus studiosorum
''Balanoglossus'' is a genus of ocean-dwelling acorn worms (Enteropneusta). It has zoological importance because, being hemichordates, they are an "evolutionary link" between invertebrates and vertebrates. ''Balanoglossus'' is a deuterostome, ...
'' van der Horst
Glossobalanus
Contains the following species:
* ''Glossobalanus alatus
''Glossobalanus'' is a genus of worms belonging to the family Ptychoderidae.
The genus has almost cosmopolitan distribution.
Species
Species:
*'' Glossobalanus alatus''
*'' Glossobalanus barnharti''
*''Glossobalanus berkeleyi
''Glossobala ...
'' van der Horst
* ''Glossobalanus barnharti
''Glossobalanus'' is a genus of worms belonging to the family Ptychoderidae.
The genus has almost cosmopolitan distribution.
Species
Species:
*''Glossobalanus alatus''
*'' Glossobalanus barnharti''
*''Glossobalanus berkeleyi
''Glossobalan ...
'' Cameron & Ostiguy, 2013Glossobalanus berkeleyi
''Glossobalanus'' is a genus of worms belonging to the family Ptychoderidae.
The genus has almost cosmopolitan distribution
In biogeography, cosmopolitan distribution is the term for the range of a taxon that extends across all or most of th ...
'' (Willey, 1931)
* ''Glossobalanus crozieri
''Glossobalanus'' is a genus of worms belonging to the family Ptychoderidae.
The genus has almost cosmopolitan distribution
In biogeography, cosmopolitan distribution is the term for the range of a taxon that extends across all or most of th ...
'' van der Horst, 1924
* ''Glossobalanus elongatus
''Glossobalanus'' is a genus of worms belonging to the family Ptychoderidae.
The genus has almost cosmopolitan distribution
In biogeography, cosmopolitan distribution is the term for the range of a taxon that extends across all or most of th ...
'' Spengel, 1904
* ''Glossobalanus hartmanae
''Glossobalanus'' is a genus of worms belonging to the family Ptychoderidae.
The genus has almost cosmopolitan distribution
In biogeography, cosmopolitan distribution is the term for the range of a taxon that extends across all or most of th ...
'' Cameron & Ostiguy, 2013[
* '']Glossobalanus hedleyi
''Glossobalanus'' is a genus of worms belonging to the family Ptychoderidae.
The genus has almost cosmopolitan distribution
In biogeography, cosmopolitan distribution is the term for the range of a taxon that extends across all or most of th ...
'' (Hill, 1897)
* ''Glossobalanus indicus
''Glossobalanus'' is a genus of worms belonging to the family Ptychoderidae.
The genus has almost cosmopolitan distribution
In biogeography, cosmopolitan distribution is the term for the range of a taxon that extends across all or most of th ...
'' Rao, 1955
* ''Glossobalanus marginatus
''Glossobalanus'' is a genus of worms belonging to the family Ptychoderidae.
The genus has almost cosmopolitan distribution
In biogeography, cosmopolitan distribution is the term for the range of a taxon that extends across all or most of th ...
'' Meek, 1922
* ''Glossobalanus minutus
''Glossobalanus'' is a genus of worms belonging to the family Ptychoderidae.
The genus has almost cosmopolitan distribution
In biogeography, cosmopolitan distribution is the term for the range of a taxon that extends across all or most of th ...
'' Kowalevsky, 1866
* ''Glossobalanus mortenseni
''Glossobalanus'' is a genus of worms belonging to the family Ptychoderidae.
The genus has almost cosmopolitan distribution
In biogeography, cosmopolitan distribution is the term for the range of a taxon that extends across all or most of th ...
'' van der Horst, 1932
* ''Glossobalanus parvulus
''Glossobalanus'' is a genus of worms belonging to the family Ptychoderidae.
The genus has almost cosmopolitan distribution
In biogeography, cosmopolitan distribution is the term for the range of a taxon that extends across all or most of th ...
'' (Punnett, 1906)
* '' Glossobalanus ruficollis'' (Willey, 1899)
* '' Glossobalanus sarniensis'' (Koehler, 1886)
* '' Glossobalanus williami'' Cameron & Ostiguy, 2013[
]
Ptychodera
Contains the following species:
* '' Ptychodera bahamensis'' Spengel, 1893
* '' Ptychodera ceylonica'' author unknown
* '' Ptychodera erythrea'' Spengel
* '' Ptychodera flava'' Eschscholtz, 1825
* '' Ptychodera pelsarti'' Dakin, 1916
References
Enteropneusta
{{Hemichordate-stub