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Argopecten hakei

Bivalvia - Pectinida - Pectinidae

Pecten (Plagioctenium) hakei was named by Hertlein (1925). Its type specimen is LSJU (no number), a shell, and it is a 3D body fossil.

It was recombined as Argopecten hakei by Coan and Valentich-Scott (2012).

Sister species lacking formal opinion data

View classification of included taxa

Synonymy list
YearName and author
1925Pecten (Plagioctenium) hakei Hertlein figs. pl. 4, figs. 1, 3
1926Pecten (Plagioctenium) hakei Jordan and Hertlein p. 440
2012Argopecten hakei Coan and Valentich-Scott p. B39

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EubilateriaAx 1987
subclassAutobranchia(Groblen 1894)
infraclassPteriomorphia(Beurlen 1944)
OstreomorphiFerussac 1822
OstreioniFerussac 1822
OstreataFerussac 1822
superorderOstreiformiiFerussac 1822
orderPectinida(Gray 1854)
suborderPectinidina(Adams and Adams 1858)
superfamilyPectinoideaRafinesque 1815
PectinoidaeRafinesque 1815
familyPectinidaeWilkes 1810
genusArgopectenMonterosato 1889

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.

L. G. Hertlein 1925Shell moderately arched, coarse and thick, slightly longer than high. Right valve ornamented by about 23 or 24 rounded to slightly flat-topped ribs, separated by narrower, round-bot- tomed interspaces, both the interspaces and ribs crossed by concentric incremental lines, and, in some cases, by rather strong lines of growth ; anterior ear with a large byssal notch, and sculpture consisting of about five or six radiating riblets, crossed by concentric incremental lines ; anterior and posterior margins of valves smooth except for concentric incremental lines ; ventral margin rounded ; posterior ear ornamented by about eight radiating riblets and by lines of growth, the posterior edge of the ear forming nearly a right angle with the hinge line. Left valve convex, higher at the umbo than the right valve, and ornamented by about 24 or 25 squarish, flat- topped, rounded ribs, separated by narrower, round-bottomed interspaces, the whole valve sculptured by concentric lines of growth ; ears slightly concave, ornamented by about six or seven radiating riblets. Altitude 90 mm., longitude 95 mm. ; diameter of right valve approximately 15 mm. ; apical angle of right valve approximately 114°.