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Taxonomy
Cryptomya was named by Conrad (1848) [Sepkoski's age data: T Mi R]. It is extant.
It was reranked as Mya (Cryptomya) by Clark (1915).
It was assigned to Mya by Clark (1915); to Myaciidae by Clark and Arnold (1923); to Myidae by Vokes (1980), Lamprell and Healy (1998); to Myoida by Sepkoski (2002); and to Cryptomyinae by Bouchet et al. (2010).
It was reranked as Mya (Cryptomya) by Clark (1915).
It was assigned to Mya by Clark (1915); to Myaciidae by Clark and Arnold (1923); to Myidae by Vokes (1980), Lamprell and Healy (1998); to Myoida by Sepkoski (2002); and to Cryptomyinae by Bouchet et al. (2010).
Species
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1848 | Cryptomya Conrad |
| 1915 | Mya (Cryptomya) Clark p. 479 |
| 1923 | Cryptomya Clark and Arnold p. 155 |
| 1980 | Cryptomya Vokes p. 180 |
| 1998 | Cryptomya Lamprell and Healy p. 190 |
| 2002 | Cryptomya Sepkoski |
| 2010 | Cryptomya Bouchet et al. |
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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. Cryptomya Conrad 1848
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Cryptomya californica Conrad 1837 [California softshell]
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†Cryptomya californica magna Dall 1921
Invalid names: Cryptomya oregonensis Dall 1909 [synonym], Cryptomya ovalis Conrad 1856 [synonym], Macoma kerica Hendrickson 1928 [synonym], Mya inopia Hanna 1924 [synonym]
†Cryptomya quadrata Arnold 1909
†Cryptomya quadrata vancouverensis Clark and Arnold 1923
†Cryptomya washingtoniana Weaver 1912
†Mya (Cryptomya) incognita Clark 1918
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, c = class | |||||
| References: Aberhan et al. 2004, Sanchez Roig 1926 | |||||
Age range
Maximum range based only on fossils: base of the Lutetian to the top of the Holocene or 48.07000 to 0.00000 Ma
Minimum age of oldest fossil (stem group age): 37.71 Ma
Minimum age of oldest fossil (stem group age): 37.71 Ma
Collections (164 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Lutetian - Bartonian | Japan (Hyogo) | C. sp. (102036 102038 102039) | |
| Chattian | Canada (British Columbia) | C. quadrata (63087) | |
| Late/Upper Oligocene | USA (California) | Mya incognita (122273) | |
| Miocene | USA (California) | C. californica (195300) | |
| Langhian - Serravallian | Russian Federation | C. californica (49979 50038) | |
| Middle Miocene | Indonesia | C. radiata (70086) | |
| Middle Miocene | Japan | C. sp. (81704) | |
| Tortonian | Russian Federation | C. kamtschatica (49978) | |
| Late/Upper Miocene | Indonesia | C. sinuosa (70077) | |
| Late/Upper Miocene | USA (California) | C. californica (216868) C. quadrata (216901) C. sp. (195407) | |
| Late/Upper Miocene | Russian Federation | C. busoensis, C. ferruginea (70476) | |
| Tortonian - Piacenzian | USA (California) | C. californica (188305) | |
| Messinian | USA (California) | C. californica (194802 194803 194888 195031 195034 195035) C. sp. (194798) | |
| Messinian - Zanclean | USA (California) | C. californica (39324 39326 39327 39333 39334 39335 39351 39353 39354 39355 39389 39390 39391 39393 39395 39396 39404 39405 39407) | |
| Early/Lower Pliocene | USA (California) | C. californica (97208 97241 97242 97404 220198 220199) C. ovalis (208580) C. quadrata (206366 220194 220196) | |
| Early/Lower Pliocene | Russian Federation | C. sachalinensis (70472) | |
| Zanclean | Japan (Iwate) | C. busoensis (56300) | |
| Pliocene | USA (California) | C. californica (122281 216433 216864) | |
| Late/Upper Pliocene | USA (California) | C. californica (96571 96572 200398 200412 238459) | |
| Piacenzian | USA (California) | C. californica (122752) | |
| Gelasian | USA (California) | C. californica (189561 189760 189761 189762 189763 189765 207642 207654 207656 207667 207675 207687 207690 207691 207693 207695 207697 207699 207700 207713 207721 207724 207762 214278 214279 214280 214286) | |
| Pleistocene | Chile (Coquimbo) | C. californica (222333) | |
| Pleistocene | USA (Oregon) | C. oregonensis (71142) | |
| Pleistocene | South Africa | C. philippinarum (122941) | |
| Pleistocene | Japan | C. busoensis (97028) | |
| Pleistocene | USA (California) | C. californica (201624 237610 240568 240572) | |
| Pleistocene | Mexico (Baja California) | C. californica (96590 96592 96593) | |
| Calabrian | Peru (Ica) | C. californica (219105) | |
| Middle Pleistocene | USA (California) | C. californica (71053 96894 138723 222663 222664 222998) | |
| Middle Pleistocene - Late/Upper Pleistocene | USA (California) | C. californica (223009) | |
| Late/Upper Pleistocene | Mexico | C. californica (67642 67643) | |
| Late/Upper Pleistocene | Japan | C. busoensis (97961) | |
| Late/Upper Pleistocene | Djibouti | C. semistriata (96791) | |
| Late/Upper Pleistocene | Mexico (Baja California) | C. californica (96591) | |
| Late/Upper Pleistocene | USA (Washington) | C. californica (37676) | |
| Late/Upper Pleistocene | Peru (Moquegua) | C. californica (43708 43710) | |
| Late/Upper Pleistocene | USA (California) | C. californica (22632 28157 37673 59063 96566 96589 96895 96900 96930 96936 96937 160361 219029 219030 222659 222660 222661 222662 222674 223045 226458 240554 240555 240580 240587 240588 240591 240609 240612 240613 240614 240615 240617 240619 240621 240635 240636 240651 240653 240655 240660 240661 240662) | |
| Late/Upper Pleistocene | Mexico (Sonora) | C. californica (44963) | |
| Holocene | Peru | C. californica (97641 97643) |