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Acesta (Plicacesta) haseltinei

Bivalvia - Pectinida - Limidae

Taxonomy
Lima haseltinei was named by Dickerson (1914). Its type specimen is UCMP 11676, a shell, and it is a 3D body fossil.

It was recombined as Acesta (Plicacesta) haseltinei by Moore (1987).

Sister species lacking formal opinion data
A. aequilatera, A. cutleri, A. goliath, A. latens, A. watanabei, A. amaxensis

Synonyms
  • Lima perrini was named by Waring (1914). Its type specimen is CAS 303, a shell, and it is a 3D body fossil. Its type locality is Southwest of Santa Susana, which is in a Danian transition zone/lower shoreface sandstone in the Las Virgenes Formation of California.

    It was synonymized subjectively with Acesta (Plicacesta) haseltinei by Moore (1987).
Synonymy list
YearName and author
1914Lima haseltinei Dickerson pp. 126-127 figs. pl. 8, fig. 2; pl. 9, fig. 11
1914Lima perrini Waring pp. 782-783
1917Lima perrini Waring p. 76 figs. Pl. 10, Figs. 1, 1a, and 2
1987Acesta (Plicacesta) haseltinei Moore p. C15

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
classBivalvia
—Eubivalvia
subclassAutobranchia(Groblen 1894)
infraclassPteriomorphia(Beurlen 1944)
—OstreomorphiFerussac 1822
RankNameAuthor
—OstreioniFerussac 1822
—OstreataFerussac 1822
superorderOstreiformiiFerussac 1822
orderPectinida(Gray 1854)
suborderAnomiidinaGray 1854
—Limoidei(Moore 1952)
superfamilyLimoidea(Rafinesque 1815)
familyLimidaeRafinesque 1815
genusAcestaVokes 1963
subgenusPlicacesta
specieshaseltinei()

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.

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Invalid names: Lima perrini Waring 1914 [synonym]
Diagnosis
ReferenceDiagnosis
C. A. Waring 1914 (Lima perrini)This giant circular lima has a thick shell with nacreous, and outer prismatic layer. The diameter is about 160 mm. The umbones are small and the cardinal margin gradually to the posterior where it becomes rounded and into the circular margin below. The beaks are slightly ex in front, and the margin slopes at a 35-degree angle into the r anterior margin. The hinge is very thick and has a deep shaped ligament pit sloping from the interior edge of the s the exterior edge at the anterior end of the hinge line. A large sub-posterior muscle impression marks the interior shell. The surface is ornamented by many fine radiating and the prismatic shell layer gives the surface a silken appearance.