| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Taxonomy
Tresus was named by Gray (1853) [Sepkoski's age data: T Eo-l R Sepkoski's reference number: 914]. It is extant.
It was assigned to Veneroida by Sepkoski (2002); and to Lutrariinae by Abbott (1974), Moore (2003).
It was assigned to Veneroida by Sepkoski (2002); and to Lutrariinae by Abbott (1974), Moore (2003).
Synonyms
|
Synonymy list
Is something missing? Join the Paleobiology Database and enter the data
|
|
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.
G. Tresus Gray 1853
show all | hide all
Tresus capax Gould 1850 [fat gaper]
Tresus nuttallii Conrad 1837 [Pacific gaper]
Tresus pajaroanus Conrad 1857 [lost gaper]
†Tresus saxadomoides Clark 1918
Invalid names: Schizothaerus Conrad 1853 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
|
|
||||
|
|||||
|
|
||||
|
|
||||
| Source: f = family, c = class | |||||
| References: Aberhan et al. 2004, Sanchez Roig 1926 | |||||
Age range
Maximum range based only on fossils: base of the Late/Upper Oligocene to the top of the Late/Upper Pleistocene or 27.30000 to 0.01170 Ma
Minimum age of oldest fossil (stem group age): 23.04 Ma
Minimum age of oldest fossil (stem group age): 23.04 Ma
Collections (156 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Chattian | USA (Alaska) | Schizothaerus nuttalii (195966) Schizothaerus trapezoides (195951) | |
| Late/Upper Oligocene | USA (California) | Spisula saxadomoides (122273) | |
| Early/Lower Miocene | USA (California) | T. sp. (196138) | |
| Miocene | USA (California) | T. nuttalli (195039) T. sp. (195078) | |
| Late/Upper Miocene | USA (California) | Schizothaerus nuttalli (216865 216867 216901 216911 220184) Schizothaerus nuttallii (220197) | |
| Tortonian - Piacenzian | USA (California) | T. pajaroanus (188305) | |
| Messinian | USA (California) | T. nuttalli (194803 194894) T. sp. (194891 195031) | |
| Messinian - Zanclean | USA (California) | Schizothaerus nuttalli (39334) Schizothaerus nuttallii (39333 39353 39354 39391 39393 39396 39404 39405 39407) | |
| Early/Lower Pliocene | USA (Oregon) | Schizothaerus pajaroanus (71149) | |
| Early/Lower Pliocene | USA (California) | Schizothaerus nuttalli (206366 206371 206373) Schizothaerus nuttallii (220185 220188 220194 220196 220199 220200) | |
| Pliocene | USA (California) | Schizothaerus nuttalli (215294 215435 216568 216864) Schizothaerus nuttallii (96885 96887) T. nuttallii (96908) | |
| Zanclean - Gelasian | USA (California) | T. nuttallii (214260 214263 214271) | |
| Late/Upper Pliocene | USA (California) | Schizothaerus nuttallii (238418 238435 238436 238437 238460) T. nuttallii (238615 238616 238621 238622 238623 238624 239463 239468 239580) T. pajaroanus (96571) | |
| Piacenzian | USA (California) | Schizothaerus nuttallii (189550) T. nuttallii (122752) T. pajaroanus (219849) | |
| Gelasian | USA (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) T. nuttalli (214287) T. nuttallii (214277 214284 214286) | |
| Early/Lower Pleistocene | USA (California) | Schizothaerus nuttallii (168757) | |
| Pleistocene | Japan | Schizothaerus keenae (96970 97028) | |
| Pleistocene | Mexico (Baja California) | Schizothaerus nuttalli (96592 96593 96594) | |
| Pleistocene | USA (California) | Schizothaerus nuttalli (237610) Schizothaerus nuttallii (201624) | |
| Quaternary | USA (California) | Schizothaerus nuttalli (37938 37947) | |
| Middle Pleistocene | USA (California) | Schizothaerus nuttallii (96884 96894 138723 202634 222995 222998) T. nuttallii (71051) | |
| Middle Pleistocene - Late/Upper Pleistocene | USA (California) | Schizothaerus nuttalli (222954) | |
| Late/Upper Pleistocene | Mexico | Schizothaerus nuttalli (67613 67641 67643 67644) | |
| Late/Upper Pleistocene | USA (California) | Schizothaerus capax (96555) Schizothaerus nuttalli (160361 219030 222650 222674 240647 240648 240649 240650 240651 240652 240653 240655 240661 240662) Schizothaerus nuttallii (59063 96566 96895 203417 226458 240555 240604 240609 240613 240614 240615 240626 240635 240643) T. capax (37672 37674) T. capax, Schizothaerus nuttallii (240580) T. nuttalli (37673) T. nuttallii (222659 222660 222661 222662 240588 240591) T. sp. (96900) | |
| Late/Upper Pleistocene | USA (Washington) | Schizothaerus nuttalli (71059) T. capax (37676) |