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Tivela (Pachydesma) stultorum (Pismo clam)

Bivalvia - Cardiida - Veneridae

Taxonomy
Donax stultorum was named by Mawe (1823). It is extant.

It was recombined as Tivela stultorum by Powell and Stevens (2000); it was recombined as Tivela (Pachydesma) stultorum by Coan et al. (2000), Hendy (2021).

Sister species lacking formal opinion data
T. baini, T. compressa, T. ponderosa

Synonyms
Synonymy list
YearName and author
1823Donax stultorum Mawe p. 37
1837Cytherea (Trigonella) crassatelloides Conrad p. 253
1895Pachydesma crassatelloides Ashley p. 344
1903Tivela crassatelloides Arnold
1940Tivela scarificata Berry p. 5 figs. pl. 1, fig. 5
1959Tivela stultorum scarificata Kanakoff and Emerson p. 25
2000Tivela (Pachydesma) stultorum Coan et al. p. 379
2000Tivela stultorum Powell and Stevens
2021Tivela (Pachydesma) stultorum Hendy

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
classBivalvia
—Eubivalvia
subclassAutobranchia(Groblen 1894)
infraclassHeteroconchia(Gray 1854)
—CardiomorphiFerussac 1822
—CardioniFerussac 1822
RankNameAuthor
—CardiidiaFerussac 1822
—CardiataFerussac 1822
superorderCardiiformiiFerussac 1822
orderCardiidaFerussac 1822
suborderCardiidinaFerussac 1822
—Veneroidei(Gray 1854)
—VeneroiteiGray 1854
superfamilyVeneroidea(Rafinesque 1815)
familyVeneridaeRafinesque 1815
subfamilyMeretricinaeGray 1847
genusTivelaLink 1807
subgenusPachydesma
speciesstultorum(Mawe 1823)

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.

Tivela (Pachydesma) stultorum Mawe 1823 [Pismo clam]
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Invalid names: Cytherea (Trigonella) crassatelloides Conrad 1837 [synonym], Tivela scarificata Berry 1940 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: aragonitef
Locomotion: facultatively mobileg
Life habit: infaunalg
Diet: suspension feederg
Vision: blindc
Created: 2009-09-04 16:40:15
Modified: 2009-09-04 18:40:15
Source: g = genus, f = family, c = class
References: Hendy et al. 2009, Kiessling 2004, Aberhan et al. 2004

Age range: base of the Zanclean to the top of the Late/Upper Pleistocene or 5.33300 to 0.01170 Ma

Collections (62 total)


Time interval Ma Country or state Original ID and collection number
Early/Lower Pliocene5.333 - 3.6USA (California) Tivela stultorum (97241 97242 97404)
Zanclean5.333 - 3.6Mexico (Baja California) Tivela stultorum (154115)
Pliocene5.333 - 2.58USA (California) Tivela stultorum (96887)
Late/Upper Pliocene3.6 - 2.58USA (California) Pachydesma crassatelloides (238435 238459 238613)
Piacenzian3.6 - 2.58USA (California) Tivela stultorum (122752 186031 226581)
Late/Upper Pliocene - Early/Lower Pleistocene3.6 - 0.774USA (California) Pachydesma crassatelloides (238614)
Gelasian2.58 - 1.8USA (California) Pachydesma crassatelloides (207661 207662 207706 207714 207716) Tivela stultorum (214277 214278 214279 214280 214286 214287)
Early/Lower Pleistocene2.58 - 0.774USA (California) Tivela stultorum (168757)
Pleistocene2.58 - 0.0117Mexico (Baja California) Tivela stultorum (96592 96594)
Pleistocene2.58 - 0.0117USA (California) Tivela stultorum (201624 240568 240571 240572 240574)
Middle Pleistocene0.774 - 0.129USA (California) Tivela crassatelloides (222663) Tivela stultorum (71051) Tivela stultorum, Tivela scarificata (138723)
Middle Pleistocene - Late/Upper Pleistocene0.774 - 0.0117USA (California) Pachydesma crassatelloides (222646)
Late/Upper Pleistocene0.129 - 0.0117USA (California) Pachydesma crassatelloides (222674 226458 240604 240609 240612 240613 240615 240617) Tivela crassatelloides (222659 222660 222661 222662) Tivela stultorum (59063 96895 96936 160361 203417 219029 219030 240636 240639 240660 240661 240662)
Late/Upper Pleistocene0.129 - 0.0117Mexico Tivela stultorum (67641 67642)
Late/Upper Pleistocene - Holocene0.129 - 0.0Mexico (Baja California) Tivela stultorum (191984)