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Scapharca (Scapharca) obispoana perdisparis

Bivalvia - Arcida - Arcidae

Taxonomy
Arca perdisparis was named by Wiedey (1928). Its type specimen is SDSNH 23, a valve, and it is a 3D body fossil. Its type locality is LSJU loc. 443, Zayante, which is in a Miocene coastal horizon in the Monterey Formation of California.

It was recombined as Scapharca (Scapharca) obispoana perdisparis by Moore (1983).

Synonymy list
YearName and author
1928Arca perdisparis Wiedey p. 131 figs. Plate 13, figure 6, Plate 14, figure 1
1983Scapharca (Scapharca) obispoana perdisparis Moore p. A44 figs. Plate 9, figure 6

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
superphylumLophotrochozoa
phylumMollusca
classBivalvia
Eubivalvia
subclassAutobranchia(Groblen 1894)
infraclassPteriomorphia(Beurlen 1944)
RankNameAuthor
OstreomorphiFerussac 1822
ArcioniGray 1854
orderArcida(Stoliczka 1871)
superfamilyArcoidea(Lamarck 1809)
familyArcidaeLamarck 1809
subfamilyAnadarinaeReinhart 1935
genusScapharcaGray 1847
subgenusScapharcaGray 1847
speciesobispoana(Conrad 1857)
subspeciesperdisparis()

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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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: aragonitef
Entire body: yesf
Adult length: 10 to < 100f
Adult width: 10 to < 100f
Adult height: 10 to < 100f
Thickness: intermediatef
Folds: minorf
Ribbing: majorf
Spines: nonef
Internal reinforcement: nonef
Ontogeny: accretionf
Environment: lagoonal, coastal, inner shelf, outer shelf, oceanic, brackish, freshwaterf
Locomotion: facultatively mobilesubf
Attached: yesf
Life habit: semi-infaunalsubf
Diet: suspension feedersubf
Vision: limitedf
Created: 2009-08-18 18:09:28
Modified: 2009-08-18 20:09:28
Source: subf = subfamily, f = family
References: Mikkelsen and Bieler 2008, Hendy et al. 2009

Age range: Middle Miocene or 15.97000 to 11.60800 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Middle Miocene15.97 - 11.608USA (California) Arca perdisparis (type locality: 220070)