''Cymatosyrinx'' is a
genus
Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...
of
sea snail
Sea snails are slow-moving marine (ocean), marine gastropod Mollusca, molluscs, usually with visible external shells, such as whelk or abalone. They share the Taxonomic classification, taxonomic class Gastropoda with slugs, which are distinguishe ...
s, marine
gastropod
Gastropods (), commonly known as slugs and snails, belong to a large Taxonomy (biology), taxonomic class of invertebrates within the phylum Mollusca called Gastropoda ().
This class comprises snails and slugs from saltwater, freshwater, and fro ...
mollusk
Mollusca is a phylum of protostomic invertebrate animals, whose members are known as molluscs or mollusks (). Around 76,000 extant species of molluscs are recognized, making it the second-largest animal phylum after Arthropoda. The ...
s in the
family
Family (from ) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). It forms the basis for social order. Ideally, families offer predictabili ...
Drilliidae
The Drilliidae are a taxonomic family of small predatory sea snails with high-spired shells. They are classified as marine gastropod mollusks in the superfamily Conoidea.
This family has no subfamilies. It consists of about 30 genera and approx ...
.
The following species have also been found as fossils in the United States and/or in Mexico in the age range: 37.2 to 0.012 Ma: ''Cymatosyrinx aclinica''
Tucker and Wilson 1933 (alternative combination: ''Cymatosyrinx lunata aclinica''), ''Cymatosyrinx dorseyi''
Cooke 1926, ''Cymatosyrinx limatula''
Conrad 1830 (synonyms: ''Drillia limatula'', ''Pleurotoma limatula''), ''Cymatosyrinx lunata''
Lea 1833, ''Cymatosyrinx magnoliana''
Olsson 1916, ''Cymatosyrinx mariana''
Petuch 1988, ''Cymatosyrinx perpolita''
Dall 1890, ''Cymatosyrinx tiara''
Gardner 1948, ''Cymatosyrinx ziczac''
Gardner 1948.
Description
This genus includes the thin-shelled light-colored species, previously included in ''
Drillia
''Drillia'' is a genus of small sea snails, marine (ocean), marine gastropod mollusks in the family (biology), family Drilliidae.
General characteristics
The shell is turriculated, with an elevated Spire (mollusc), spire, longitudinal ribs, and ...
''
The shell is generally short and stout, the
spire
A spire is a tall, slender, pointed structure on top of a roof of a building or tower, especially at the summit of church steeples. A spire may have a square, circular, or polygonal plan, with a roughly conical or pyramidal shape. Spire ...
often very short. The
whorl
A whorl ( or ) is an individual circle, oval, volution or equivalent in a whorled pattern, which consists of a spiral or multiple concentric objects (including circles, ovals and arcs).
In nature
File:Photograph and axial plane floral diagra ...
s contain nodulous axial ribs, extending over the whole of the volutions. They are generally without spiral
sculpture
Sculpture is the branch of the visual arts that operates in three dimensions. Sculpture is the three-dimensional art work which is physically presented in the dimensions of height, width and depth. It is one of the plastic arts. Durable sc ...
, or, if present, very weak. The
aperture
In optics, the aperture of an optical system (including a system consisting of a single lens) is the hole or opening that primarily limits light propagated through the system. More specifically, the entrance pupil as the front side image o ...
is subrhomboidal, very little narrowed below, with a short and broad
siphonal canal
The siphonal canal is an anatomical feature of the shells of certain groups of sea snails within the clade Neogastropoda. Some sea marine gastropods have a soft tubular anterior extension of the mantle called a siphon through which water i ...
. The outer
lip
The lips are a horizontal pair of soft appendages attached to the jaws and are the most visible part of the mouth of many animals, including humans. Mammal lips are soft, movable and serve to facilitate the ingestion of food (e.g. sucklin ...
is arched, with a shallow sinus towards the suture. The inner lipis large and callous.
Species
Species within the genus ''Cymatosyrinx'' include:
* ''
Cymatosyrinx arbela''
Dall, 1919
* ''
Cymatosyrinx carpenteri''
(Verrill & Smith, 1880)
* ''
Cymatosyrinx fritillaria''
(Dall, 1927)
* ''
Cymatosyrinx idothea
''Cymatosyrinx idothea'' is a species of sea snail, a marine gastropod mollusk in the family Drilliidae.
Description
The shell grows to a length of 9 mm, its diameter 4 mm.
(Original description) The small, thin, acute shell is rose ...
''
Dall, 1919
* ''
Cymatosyrinx impolita''
Kuroda, Habe & Oyama, 1971
* ''
Cymatosyrinx johnsoni''
Arnold, 1903
* ''
Cymatosyrinx nodulosa''
(Jeffreys, 1882)
* ''
Cymatosyrinx parciplicata
''Cymatosyrinx parciplicata'' is a species of sea snail, a marine gastropod mollusk in the family Drilliidae.
Description
The shell grows to a length of 23 mm.
The shell is elongate-acuminate. Its color is dark white. The spire is elongat ...
''
(Sowerby III, 1915)
* † ''
Cymatosyrinx ziczac
''Cymatosyrinx'' is a genus of sea snails, marine gastropod mollusks in the family (biology), family Drilliidae.
The following species have also been found as fossils in the United States and/or in Mexico in the age range: 37.2 to 0.012 Ma: ''Cy ...
''
Gardner, 1948
;Species brought into synonymy :
* ''Cymatosyrinx allyniana''
Hertlein & Strong, 1951: synonym of ''
Clathrodrillia allyniana
''Clathrodrillia allyniana'' is a species of sea snail, a marine gastropod mollusk in the family Drilliidae.
Description
The shell grows to a length of 21 mm.
Distribution
This species is found in the Gulf of California, Western Mexico ...
''
(Hertlein & Strong, 1951)
*''Cymatosyrinx arenensis''
Hertlein & Strong, 1951: synonym of ''
Elaeocyma arenensis
''Elaeocyma arenensis'' is a species of sea snail, a marine gastropod mollusk in the family Drilliidae.
Description
The shell grows to a length of 45 mm.
Distribution
This species occurs in the demersal zone of the Eastern Pacific Ocean ...
''
(Hertlein & Strong, 1951)
*''Cymatosyrinx asaedai''
Hertlein & Strong, 1951: synonym of ''
Imaclava asaedai
''Imaclava asaedai'' is a species of sea snail, a marine gastropod mollusk in the family Drilliidae.
Description
The shell grows to a length of 27 mm.
Distribution
This species occurs in the demersal zone of the Pacific Ocean off the Gul ...
''
(Hertlein & Strong, 1951)
* ''Cymatosyrinx bartschi''
Haas, 1941:
synonym of ''
Splendrillia bartschi
''Splendrillia bartschi'' is a species of sea snail, a marine gastropod mollusk in the family Drilliidae.Bouchet, P. (2016). Splendrillia bartschi (Haas, 1941). In: MolluscaBase (2015). Accessed through: World Register of Marine Species at http ...
''
(Haas, 1941)
* ''Cymatosyrinx centimata''
Dall, 1889: synonym of ''
Spirotropis centimata
''Spirotropis centimata'' is a species of sea snail, a marine gastropod mollusk in the family Drilliidae.
Description
The size of an adult shell varies between 10 mm and 34 mm.
(Original description) The pure white shell has a pointe ...
''
(Dall, 1889)
* ''Cymatosyrinx ebur''
Dall, 1927: synonym of ''
Lissodrillia ebur
''Lissodrillia ebur'' is a species of sea snail, a marine gastropod mollusk in the family Drilliidae.Bouchet, P. (2016). Lissodrillia vitrea Fallon, 2016. In: MolluscaBase (2015). Accessed through: World Register of Marine Species at http://www. ...
''
(Dall, 1927)
*''Cymatosyrinx elissa''
Dall, 1919: synonym of ''
Leptadrillia elissa
''Leptadrillia elissa'' is a species of sea snail, a marine gastropod mollusk in the family Drilliidae.
Description
Distribution
This species occurs in the demersal zone of the Eastern Pacific Ocean off Panama and the Magellan Strait
Th ...
''
Dall, 1919
*''Cymatosyrinx ferminiana''
Dall, 1919: synonym of ''
Globidrillia ferminiana
''Globidrillia ferminiana'' is a species of sea snail, a marine gastropod mollusk in the family Drilliidae.
Description
The shell grows to a length of 14 mm, its diameter 5 mm.
(Original description) The shell is white, with a yellow ...
''
Dall, 1919
* ''Cymatosyrinx fritillaria''
Dall, 1927: synonym of ''
Ithycythara fritillaria
''Ithycythara'' is a genus of small sea snails, marine gastropod mollusks in the family Mangeliidae.
Description
The spiral sculpture
Sculpture is the branch of the visual arts that operates in three dimensions. Sculpture is the three ...
''
(Dall, 1927)
*''Cymatosyrinx hecuba''
Dall, 1919: synonym of ''
Kylix hecuba''
Dall, 1919
*''Cymatosyrinx hemphilli''
(Stearns, 1871): synonym of ''
Globidrillia hemphillii''
(Stearns, 1871)
*''Cymatosyrinx hotei''
Otuka, 1949: synonym of ''
Imaclava hotei
''Imaclava hotei'' is a species of sea snail, a marine gastropod mollusk in the family Drilliidae.
Description
Distribution
This species occurs in the demersal zone of the Northwest Pacific Ocean off Japan.
References
*
External links
*
...
''
(Otuka, 1949)
*''Cymatosyrinx lalage''
Dall, 1919: synonym of ''
Splendrillia lalage''
Dall, 1919
* ''Cymatosyrinx pagodula''
Dall, 1889: synonym of ''
Fenimorea pagodula''
(Dall, 1889)
*''Cymatosyrinx palmeri''
Dall, 1919: synonym of ''
Calliclava palmeri''
Dall, 1919
*''Cymatosyrinx roseola''
Hertlein & Strong, 1955: synonym of ''
Drillia roseola''
(Hertlein & Strong, 1955)
* ''Cymatosyrinx splendida''
Bartsch, 1934: synonym of ''
Leptadrillia cookei''
(E. A. Smith, 1888)
*''Cymatosyrinx strohbeeni''
Hertlein & Strong, 1951: synonym of ''
Globidrillia strohbeeni''
(Hertlein & Strong, 1951)
* ''Cymatosyrinx thea''
Dall, 1884: synonym of
Cerodrillia thea (Dall, 1884)
References
* J. A. Gardner. 1948. ''Mollusca from the Miocene and Lower Pliocene of Virginia and North Carolina: Part 2. Scaphopoda and Gastropoda''. United States Geological Survey Professional Paper 199(B):179-310
* E. J. Petuch. 1988. ''Neogene History of Tropical American Mollusks 1-217''
External links
WMSDB - Worldwide Mollusc Species Data Base: family Drilliidae
{{Taxonbar, from=Q3139985