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Taxonomy
Protocardia (Protocardia) was named by Beyrich (1845).
It was assigned to Protocardia by Beyrich (1845) and Schneider (1995).
It was assigned to Protocardia by Beyrich (1845) and Schneider (1995).
Subtaxa
Species lacking formal opinion data
Protocardia africana, Protocardia amanoi, Protocardia barneyi, Protocardia beiha, Protocardia besairiei, Protocardia bipi, Protocardia contusa, Protocardia hillanum, Protocardia lycetti, Protocardia lycetti, Protocardia moshuiwanensis, Protocardia olea, Protocardia oxynoti, Protocardia parahillana, Protocardia peraltaensis, Protocardia pertenuis, Protocardia phillipiana, Protocardia phillipiana, Protocardia rahmuensis, Protocardia regulare, Protocardia schucherti, Protocardia spillmani, Protocardia subhillanum, Protocardia texana, Protocardia tosensis
Synonymy list
| Year | Name and author |
|---|---|
| 1845 | Protocardia (Protocardia) Beyrich |
| 1995 | Protocardia (Protocardia) Schneider p. 339 |
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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.
Subg. †Protocardia (Protocardia) Beyrich 1845
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†Protocardia (Protocardia) alta Forbes 1846
†Protocardia (Protocardia) philippiana Dunker 1847
†Protocardia (Protocardia) striatulum Sowerby 1829
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | |||||
|---|---|---|---|---|---|---|---|
| valve height | 1 | 20.2 |
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| Source: f = family, c = class | |||||
| References: Todd 2001, Aberhan et al. 2004 | |||||
Age range: base of the Sinemurian to the top of the Serravallian or 199.30000 to 11.62000 Ma
Collections (73 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Sinemurian | Japan (Yamaguchi) | Protocardia onoi (40560) | |
| Early/Lower Toarcian | Spain | Protocardia phillipiana (25777 25780) | |
| Toarcian | Japan (Niigata) | Protocardia kurumensis (40310) | |
| Middle Toarcian - Late/Upper Toarcian | Iran | Protocardia sp. A (141253) | |
| Middle Toarcian - Early/Lower Aalenian | Iran | Protocardia sp. B (141254) | |
| Early/Lower Aalenian - Late/Upper Aalenian | Iran | Protocardia sp. B (141261) | |
| Aalenian | Serbia and Montenegro (Serbia) | Protocardia subtruncata (51554) | |
| Bajocian | Jordan | Protocardia africana (35323 35418) | |
| Bajocian | Japan (Miyagi) | Protocardia inaii (40543) | |
| Bajocian | India | Protocardia grandidieri (68274) Protocardia grandidieri, Protocardia kachchhensis (68276 68277 68280) Protocardia keerae (68387) Protocardia lycetti, Protocardia kachchhensis (68275) Protocardia sp. (68603 68604) Protocardia sp., Protocardia keerae (68605 68606) | |
| Bajocian | Serbia and Montenegro | Protocardia sp. (132951) | |
| Bajocian | China (Qinghai) | Protocardia hepingxiangensis (37885) | |
| Bathonian | India | Protocardia grandidieri (67663 67664 67669 68278 68279) Protocardia grandidieri, Protocardia lycetti, Protocardia keerae (67668) Protocardia patchamensis (67666) Protocardia sp. (67397) | |
| Callovian | India | Protocardia dyonisea (68660) Protocardia dyonisea, Protocardia sastry (68657) Protocardia sastry (68653) Protocardia sp. (61467 67400 67548) Protocardia sp., Protocardia lycetti (68078) | |
| Callovian - Oxfordian | India | Protocardia dyonisea (68647) Protocardia sastry (68644) | |
| Early/Lower Callovian | India | Protocardia grandidieri, Protocardia goradongarensis (68076 68077) Protocardia sp. (68273) | |
| Late/Upper Callovian | India | Protocardia lodraniensis, Protocardia sp. (68385) Protocardia lycetti, Protocardia sp. (68598) Protocardia sp. (68386 68502 68601) | |
| Oxfordian | India | Protocardia sp. (63533) | |
| Oxfordian - Tithonian | Japan (Kochi) | Protocardia tosensis (40473) | |
| Oxfordian - Tithonian | Japan (Tokushima) | Protocardia tosensis (40480) | |
| Oxfordian - Tithonian | Japan (Kumamoto) | Protocardia tosensis (40342) | |
| Kimmeridgian | Japan (Fukushima) | Protocardia tosensis (40546) | |
| Late/Upper Kimmeridgian | United Kingdom (England) | Cardium striatulum (70997) | |
| Late/Upper Kimmeridgian | Portugal | Protocardia peraltaensis (77741) Protocardia sp. (68233 68237) | |
| Tithonian - Neocomian | Japan (Miyagi) | Protocardia morii (40217) | |
| Berriasian | Japan (Fukushima) | Protocardia tosensis (40547) | |
| Berriasian | Japan (Kochi) | Protocardia tosensis (40474) | |
| Berriasian | Japan (Tokushima) | Protocardia tosensis (40481) | |
| Berriasian | Japan (Kumamoto) | Protocardia tosensis (40343) | |
| Neocomian | Japan (Iwate) | Protocardia ibukii (39966) | |
| Late/Upper Valanginian | Italy | Protocardia peregrina (12773) | |
| Aptian | Japan (Iwate) | Protocardia hiraigensis (40214 40553) | |
| Aptian | Japan | Protocardia amanoi (69101 69102) | |
| Late/Upper Albian | Egypt | Protocardia prisca (98327) | |
| Middle Cenomanian | India | Protocardia alta (228246) | |
| Coniacian | Congo-Brazzaville | Protocardia coquandi (1368) | |
| Early/Lower Santonian | Congo-Brazzaville | Protocardia coquandi (191892) | |
| Serravallian | Cyprus | Cardium striatulum (71880) |