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Argopecten ventricosus

Bivalvia - Pectinida - Pectinidae

Taxonomy
Pecten ventricosus was named by Sowerby (1842) [DISTRIBUTION: Eastern Pacific (Recent).]. It is extant.

It was recombined as Pecten (Plagioctenium) ventricosus by Dall (1898); it was recombined as Chlamys (Argopecten) cricularis by Hertlein (1968); it was recombined as Argopecten ventricosus by Coan et al. (2000) and Coan and Valentich-Scott (2012).

Synonyms
Synonymy list
YearName and author
1835Pecten circularis Sowerby
1842Pecten ventricosus Sowerby
1846Pecten inca d'Orbigny p. 663
1853Pecten solidulus Reeve
1898Pecten (Pecten) compactus Dall p. 707 figs. pl. 34, fig. 5
1898Pecten (Plagioctenium) subventricosus Dall p. 707
1898Pecten compactus Dall p. 707
1898Pecten (Plagioctenium) ventricosus Dall p. 710
1903Pecten (Plagioctenium) newsomi Arnold p. 113 figs. pl. 11, figs. 1, 1a
1903Pecten newsomi Arnold p. 113
1925Pecten (Plagioctenium) calli Hertlein figs. pl. 4, figs. 5-7
1926Pecten (Plagioctenium) calli Jordan and Hertlein p. 436
1926Pecten (Plagioctenium) circularis Jordan and Hertlein p. 438
1927Argopecten circularis Hodson and Hodson p. 25
1930Pecten fililextus Li p. 255
1950Aequipecten circularis Durham
1968Chlamys (Argopecten) cricularis Hertlein
1984Argopecten circularis Moore p. 34
1984Argopecten circularis calli Moore p. 35
2000Argopecten ventricosus Coan et al. p. 234
2012Argopecten ventricosus Coan and Valentich-Scott p. 284

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
Schizocoela
phylumMollusca
classBivalvia
Eubivalvia
subclassAutobranchia(Groblen 1894)
infraclassPteriomorphia(Beurlen 1944)
RankNameAuthor
OstreomorphiFerussac 1822
OstreioniFerussac 1822
OstreataFerussac 1822
superorderOstreiformiiFerussac 1822
orderPectinida(Gray 1854)
suborderPectinidina(Adams and Adams 1858)
superfamilyPectinoideaRafinesque 1815
PectinoidaeRafinesque 1815
familyPectinidaeWilkes 1810
genusArgopectenMonterosato 1889
speciesventricosus(Sowerby 1842)

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

Diagnosis
ReferenceDiagnosis
L. G. Hertlein 1925 (Pecten (Plagioctenium) calli)Shell small, inequivalve. Right valve slightly arched, orna- mented by about 16 or 17 rather high, narrow, rounded, radi- ating ribs separated by interspaces of about the same width as the ribs; anterior ear with a large byssal notch and sculpture consisting of about five radiating riblets crossed by concentric lines of growth; posterior ear sculptured by radiating riblets crossed by concentric lines of growth. Left valve slightly prolonged posteriorly, much more highly arched than right, and sloping rather abruptly from the umbos, sculptured by about 19 well developed, rather sharp, rounded, radiating ribs separated by interspaces about as wide as the ribs, ribs and in- terspaces crossed by fine concentric lines ; ears slightly concave, the anterior with a small notch and ornamentation consisting of five or six radiating riblets crossed by concentric lines of growth; posterior ear slightly prolonged at the hinge line, sculptured as right. Altitude 24 mm. ; longitude 24 mm. ; diameter of left valve approximately 7 mm. ; apical angle ap- proximately 90°.