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Mactrotoma californica (California surfclam)

Bivalvia - Cardiida - Mactridae

Taxonomy
Mactra californica was named by Conrad (1837). It is extant.

It was recombined as Micromactra californica by Dall (1894); it was recombined as Standella californica by Ashley (1895); it was recombined as Mactra (Mactrotoma) californica by Packard (1916); it was recombined as Mactra (Mactra) californica by Willett (1937); it was recombined as Mactrotoma (Micromactra) californica by Coan et al. (2000); it was recombined as Mactrotoma californica by Coan and Valentich-Scott (2012), Hendy (2021).

Sister species lacking formal opinion data
Mactra cymata, Mactra undula, M. fragilus, M. maracaibensis

Synonymy list
YearName and author
1837Mactra californica Conrad p. 240
1894Micromactra californica Dall
1895Standella californica Ashley p. 344
1916Mactra (Mactrotoma) californica Packard p. 280 figs. Plate 16, figures 4a, 46 and 4c
1937Mactra (Mactra) californica Willett p. 391
2000Mactrotoma (Micromactra) californica Coan et al. p. 457
2012Mactrotoma californica Coan and Valentich-Scott p. 549
2021Mactrotoma californica Hendy

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
classBivalvia
—Eubivalvia
subclassAutobranchia(Groblen 1894)
infraclassHeteroconchia(Gray 1854)
—CardiomorphiFerussac 1822
RankNameAuthor
—CardioniFerussac 1822
—CardiidiaFerussac 1822
—CardiataFerussac 1822
superorderCardiiformiiFerussac 1822
orderCardiidaFerussac 1822
suborderCardiidinaFerussac 1822
—Veneroidei(Gray 1854)
—VeneroiteiGray 1854
superfamilyMactroidea(Lamarck 1809)
familyMactridaeLamarck 1809
genusMactrotomaDall 1894
speciescalifornica(Conrad 1837)

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.

Mactrotoma californica Conrad 1837 [California surfclam]
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: aragonitec
Locomotion: facultatively mobileg
Life habit: infaunalg
Diet: suspension feederg
Vision: blindc
Created: 2009-09-09 14:11:26
Modified: 2009-09-09 16:11:26
Source: g = genus, c = class
References: Sanchez Roig 1926, Aberhan et al. 2004

Age range: base of the Chattian to the top of the Late/Upper Pleistocene or 27.30000 to 0.01170 Ma

Collections (20 total)


Time interval Ma Country or state Original ID and collection number
Chattian27.3 - 23.04USA (Alaska) Mactra californica (195956 195960)
Pleistocene2.58 - 0.0117USA (California) Mactra californica (237610 240566)
Middle Pleistocene0.774 - 0.129USA (California) Mactra californica (71051)
Middle Pleistocene - Late/Upper Pleistocene0.774 - 0.0117USA (California) Standella californica (222646)
Late/Upper Pleistocene0.129 - 0.0117Mexico (Sonora) Mactra californica (44963)
Late/Upper Pleistocene0.129 - 0.0117USA (California) Mactra californica (59063 96566 96589 96895 160361 219029 219030 222660 240555 240604 240621) Standella californica (222674)
Late/Upper Pleistocene - Holocene0.129 - 0.0Panama (Panama) Mactrotoma californica (160395)