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Taxonomy
Calva was named by Popenoe (1937) [Sepkoski's age data: K l K Maes-u].
It was synonymized subjectively with Trigonocallista by Popenoe (1940).
It was assigned to Pitarinae by Vokes (1980); to Veneridae by Popenoe (1937), Saul and Popenoe (1992); and to Veneroida by Sepkoski (2002).
It was synonymized subjectively with Trigonocallista by Popenoe (1940).
It was assigned to Pitarinae by Vokes (1980); to Veneridae by Popenoe (1937), Saul and Popenoe (1992); and to Veneroida by Sepkoski (2002).
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1937 | Calva Popenoe p. 394 |
| 1980 | Calva Vokes p. 170 |
| 1992 | Calva Saul and Popenoe p. 10 |
| 2002 | Calva Sepkoski |
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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. †Calva Popenoe 1937
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Subg. †Calva (Calva) Popenoe 1937
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†Calva (Calva) baptisia Saul and Popenoe 1992
†Calva (Calva) campanae Saul and Popenoe 1992
†Calva (Calva) heliaca Saul and Popenoe 1992
†Calva (Calva) peninsularis Anderson and Hanna 1935
†Calva (Calva) regina Popenoe 1937
†Calva (Calva) varians Gabb 1864
Subg. †Calva (Egelicalva) Saul and Popenoe 1992
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†Calva (Egelicalva) bowersiana Cooper 1894
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Invalid names: Meretrix coronada Anderson 1958 [synonym], Meretrix nitida major Packard 1922 [synonym]
†Calva (Egelicalva) buttensis Anderson 1958
†Calva (Egelicalva) byblidis Saul and Popenoe 1992
†Calva (Egelicalva) crassa Saul and Popenoe 1992
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Invalid names: Calva steineyi Hertlein in Anderson and Hanna 1935 [synonym]
†Calva (Egelicalva) nitida Gabb 1864
†Calva (Egelicalva) spissa Saul and Popenoe 1992
†Calva (Egelicalva) taffi Anderson 1958
Subg. †Calva (Microcalva) Saul and Popenoe 1992
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†Calva (Microcalva) elderi Saul and Popenoe 1992
†Calva (Microcalva) haggarti Saul and Popenoe 1992
Subg. †Calva (Penecallista) Saul and Popenoe 1992
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†Calva (Penecallista) marina Saul and Popenoe 1992
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| L. R. Saul and W. P. Popenoe 1992 | Veneriform bivalves having growth lines and, generally, well-marked growth checks and a depressed lunule set off by an incised line. Hinge with three cardinals in each valve, two an- terior and two posterior lateral teeth in the right valve, and one anterior and one posterior lateral tooth in the left valve; posterior cardinal of the right valve 3b narrowly bifid; anterior lateral All long, parallel to the lunular border, and terminated posteriorly in a short, ventrally directed prong; left posterior lateral a salient projection of the posterior dorsal margin fitting into an elongate socket in the right valve bounded dorsally by the right posterior dorsal shell margin, and ventrally by elongate lateral tooth Pl. Nymphs smooth. Pallial sinus moderately deep. The anterior adductor muscle scar impressed and immediately at the anterior end of the hinge plate. |
Measurements
No measurements are available
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| Source: f = family, c = class | |||||
| References: Aberhan et al. 2004, Kiessling 2004 | |||||
Age range: base of the Early/Lower Albian to the top of the Early/Lower Maastrichtian or 113.20000 to 66.00000 Ma
Collections (208 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Albian | USA (California) | C. byblidis (219053 219088 219089) | |
| Albian | USA (California) | C. byblidis (219063) | |
| Early/Lower Albian - Cenomanian | USA (California) | C. byblidis (153883) | |
| Late/Upper Albian | United Kingdom (England) | C. subrotunda (6280) | |
| Late/Upper Albian | Mozambique | C. caperata (174805) | |
| Late/Upper Albian - Cenomanian | USA (California) | C. nitida (219064) | |
| Cenomanian | USA (California) | C. heliaca (219074 219086) C. nitida (185734 219085) C. spissa (185726) Trigonocallista varians, Trigonocallista nitida (167603) | |
| Cenomanian | USA (Oregon) | C. nitida (219065 219068) | |
| Early/Lower Cenomanian | USA (California) | C. nitida (158109) | |
| Cenomanian - Turonian | Russian Federation (Sakhalin) | C. sp. (39569) | |
| Cenomanian - Turonian | USA (California) | C. sp. (185413) | |
| Late/Upper Cretaceous | USA (California) | Aphrodina varians (206278 237459 237460) C. sp. (185420) Chione varians (193034) Trigonocallista nitida (215430) | |
| Early/Lower Turonian - Middle Turonian | USA (California) | C. regina (220373) | |
| Late/Upper Turonian | USA (California) | C. regina (215287 220941 238628 238629 238630 239928) C. spissa (219061 219071) Trigonocallista regina (220390 220932 220933 220940 221084) | |
| Turonian | USA (Oregon) | C. spissa (176024) | |
| Turonian | USA (California) | Aphrodina varians (44217) C. regina (62347 86785 215285 215618 219050 220298 220299 220340 222073 222092 222093 222094 222096 222097 222115 238635) C. sp. (185415 185502) C. spissa (185411 185440 219062 219066 219067 219080 219081 219090) Trigonocallista nitida (44199 44240 176026) Trigonocallista regina (194022) | |
| Turonian - Santonian | USA (California) | C. taffi (185412) | |
| Late/Upper Turonian - Late/Upper Campanian | USA (California) | Meretrix nitida (207833) | |
| Coniacian | USA (California) | Aphrodina varians (44232) C. elderi (219075) C. taffi (215318) | |
| Late/Upper Coniacian | USA (California) | C. taff (219060) | |
| Coniacian - Santonian | USA (California) | C. elderi (185736) C. sp. (185407) C. taffi (185441 185448) | |
| Coniacian - Campanian | USA (California) | C. sp. (185722) | |
| Early/Lower Santonian | USA (California) | C. taffi (72038 86956 207437 215293 219056) | |
| Late/Upper Santonian | USA (California) | C. taffi (215319) | |
| Late/Upper Santonian | Canada (British Columbia) | C. taffi (210547) | |
| Santonian | USA (California) | Aphrodina varians (44279) C. sp. (185391) C. taffi (86780 86781 86955 215429) Trigonocallista nitida (44275) | |
| Santonian - Campanian | USA (California) | C. sp. (185392 185414) | |
| Campanian | USA (California) | C. bowersiana (168012) Chione varians (158389) Trigonocallista major (215345) | |
| Campanian | USA (Washington) | C. bowersiana, C. haggarti (86868) | |
| Early/Lower Campanian | USA (Alaska) | C. buttensis (219072) | |
| Early/Lower Campanian | USA (California) | C. bowersiana (86936) C. buttensis (3888 69312 86938 86939 214075 219082) Trigonocallista bowersiana, Trigonocallista varians (44277) | |
| Late/Upper Campanian | USA (California) | C. bowersiana (219055) C. bowersiana, C. peninsularis (86872) C. bowersiana, Trigonocallista bowersiana (86794) C. campanae, Trigonocallista bowersiana (219077) C. sp. (98225 167704 167705 185397) C. varians (1516 1519 1521 1522 1523 1524 1525 1526 1527 1528 1530 1531 1532 1534 1535 1536 1537 1538 1539 1540 1541 1543 1546 1548 1549 1551 1552) Meretrix nitida (207831) Trigonocallista bowersiana (72057 86793 185168 214144 220906 221105) | |
| Middle Campanian | USA (California) | C. bowersiana (69314 144763 144764 144772 144773) C. campanae (219069 219078) C. campanae, Trigonocallista bowersiana (185174) C. sp. (176363) Meretrix sp. (207829) Trigonocallista bowersiana (219079 220915 221106 221107) Venus varians (72056) | |
| Late/Upper Campanian - Early/Lower Maastrichtian | USA (California) | C. peninsularis (176399) C. peninsularis, C. marina (219083) C. varians (1529 1533) | |
| Late/Upper Campanian - Early/Lower Maastrichtian | Mexico (Baja California) | C. peninsularis (190527) | |
| Early/Lower Maastrichtian | USA (California) | C. bowersiana (215320) C. crassa (219084 239773) C. peninsularis (86821 224893) C. varians, C. crassa (219070) | |
| Early/Lower Maastrichtian | Mexico (Baja California) | C. marina (86862) C. peninsularis (180431) | |
| Late/Upper Maastrichtian | USA (California) | C. baptisia (218669) C. taffi (219073) C. varians (214073 219052 219054 219087) Corbis peninsularis, Trigonocallista nitida (219051) | |
| Maastrichtian | Mexico | C. sp., C. peninsularis, Egelicalva crassa, Penecallista marina (1372) | |
| Maastrichtian | Mexico (Baja California) | Aphrodina major (158099) | |
| Maastrichtian | USA (California) | C. sp. (185494) C. varians (176930 185457 185491 185495 185622 185623 185625 185635 185701 185703 185705 185706) Corbis peninsularis, Trigonocallista nitida (83790 83792) Egelicalva crassa (1354) Trigonocallista nitida (83791) Trigonocallista nitida, Corbis peninsularis (83793) |