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Tresus nuttallii (Pacific gaper)

Bivalvia - Cardiida - Mactridae

Taxonomy
Lutraria (Cryptodon) nuttallii was named by Conrad (1837). It is extant. Its type locality is Recent Formation, San Pedro [of Conrad, 1855], which is in a Pleistocene coastal sandstone in the Palos Verdes Sand Formation of California.

It was recombined as Schizothaerus nuttalli by Conrad (1855), Ashley (1895), Valentine (1957); it was recombined as Schizothaerus nuttallii by Henderson (1931), Woodring and Bramlette (1950); it was recombined as Tresus nuttalli by Addicott (1966); it was recombined as Tresus nuttallii by Coan et al. (2000), Moore (2003), Hendy (2021).

Synonymy list
YearName and author
1837Lutraria (Cryptodon) nuttallii Conrad p. 235
1855Schizothaerus nuttalli Conrad p. 14
1895Schizothaerus nuttalli Ashley p. 344
1931Schizothaerus nuttallii Henderson p. 33
1950Schizothaerus nuttallii Woodring and Bramlette
1957Schizothaerus nuttalli Valentine
1966Tresus nuttalli Addicott
2000Tresus nuttallii Coan et al. p. 463
2003Tresus nuttallii Moore
2021Tresus nuttallii 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
superfamilyMactroidea(Lamarck 1809)
familyMactridaeLamarck 1809
subfamilyLutrariinaeAdams and Adams 1856
genusTresusGray 1853
speciesnuttallii(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.

Tresus nuttallii Conrad 1837 [Pacific gaper]
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: aragonitec
Locomotion: facultatively mobilef
Life habit: infaunalf
Diet: suspension feederf
Vision: blindc
Created: 2009-09-09 13:48:47
Modified: 2009-09-09 15:48:47
Source: f = family, c = class
References: Sanchez Roig 1926, Aberhan et al. 2004

Age range: base of the Messinian to the top of the Late/Upper Pleistocene or 7.24600 to 0.01170 Ma

Collections (138 total)


Time interval Ma Country or state Original ID and collection number
Miocene23.04 - 5.333USA (California) Tresus nuttalli (195039)
Late/Upper Miocene11.63 - 5.333USA (California) Schizothaerus nuttalli (216865 216867 216901 216911 220184) Schizothaerus nuttallii (220197)
Messinian7.246 - 5.333USA (California) Tresus nuttalli (194803 194894)
Messinian - Zanclean7.246 - 3.6USA (California) Schizothaerus nuttalli (39334) Schizothaerus nuttallii (39333 39353 39354 39391 39393 39396 39404 39405 39407)
Early/Lower Pliocene5.333 - 3.6USA (California) Schizothaerus nuttalli (206366 206371 206373) Schizothaerus nuttallii (220185 220188 220194 220196 220199 220200)
Pliocene5.333 - 2.58USA (California) Schizothaerus nuttalli (215294 215435 216568 216864) Schizothaerus nuttallii (96885 96887) Tresus nuttallii (96908)
Zanclean - Gelasian5.333 - 1.8USA (California) Tresus nuttallii (214260 214263 214271)
Late/Upper Pliocene3.6 - 2.58USA (California) Schizothaerus nuttallii (238418 238435 238436 238437 238460) Tresus nuttallii (238615 238616 238621 238622 238623 238624 239468 239580)
Piacenzian3.6 - 2.58USA (California) Schizothaerus nuttallii (189550) Tresus nuttallii (122752 239463)
Gelasian2.58 - 1.8USA (California) Schizothaerus nuttallii (189560 189561 189760 189762 189766 207643 207645 207663 207667 207668 207672 207673 207685 207686 207687 207688 207689 207690 207693 207694 207695 207721 207723) Tresus nuttalli (214287) Tresus nuttallii (214277 214284 214286)
Early/Lower Pleistocene2.58 - 0.774USA (California) Schizothaerus nuttallii (168757)
Pleistocene2.58 - 0.0117USA (California) Schizothaerus nuttalli (237610) Schizothaerus nuttallii (201624)
Pleistocene2.58 - 0.0117Mexico (Baja California) Schizothaerus nuttalli (96592 96593 96594)
Quaternary2.58 - 0.0USA (California) Schizothaerus nuttalli (37938 37947)
Middle Pleistocene0.774 - 0.129USA (California) Schizothaerus nuttallii (96884 96894 138723 202634 222995 222998) Tresus nuttallii (71051)
Middle Pleistocene - Late/Upper Pleistocene0.774 - 0.0117USA (California) Schizothaerus nuttalli (222954)
Late/Upper Pleistocene0.129 - 0.0117USA (Washington) Schizothaerus nuttalli (71059)
Late/Upper Pleistocene0.129 - 0.0117Mexico Schizothaerus nuttalli (67613 67641 67643 67644)
Late/Upper Pleistocene0.129 - 0.0117USA (California) Schizothaerus nuttalli (160361 219030 type locality: 222650 222674 240647 240648 240649 240650 240651 240652 240653 240655 240661 240662) Schizothaerus nuttallii (59063 96566 96895 203417 226458 240555 240580 240604 240609 240613 240614 240615 240626 240635 240643) Tresus nuttalli (37673) Tresus nuttallii (222659 222660 222661 222662 240588 240591)