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Taxonomy
Trigoniocardia (Americardia) was named by Stewart (1930). It is extant. Its type is Cardium medium.
It was Cardium (Americardia) by Hertlein and Strong (1947); it was reranked as Americardia by Sepkoski (2002), Moore (2003) and Rosenberg (2005).
It was assigned to Cardium by Hertlein and Strong (1947); to Trigoniocardia by Palmer and Brann (1965) and Dockery (1982); to Veneroida by Sepkoski (2002); to Fraginae by Moore (2003) and Rosenberg (2005); and to Cardiidae by Powell (2008).
It was Cardium (Americardia) by Hertlein and Strong (1947); it was reranked as Americardia by Sepkoski (2002), Moore (2003) and Rosenberg (2005).
It was assigned to Cardium by Hertlein and Strong (1947); to Trigoniocardia by Palmer and Brann (1965) and Dockery (1982); to Veneroida by Sepkoski (2002); to Fraginae by Moore (2003) and Rosenberg (2005); and to Cardiidae by Powell (2008).
Synonymy list
| Year | Name and author |
|---|---|
| 1930 | Trigoniocardia (Americardia) Stewart pp. 267 - 268 |
| 1947 | Cardium (Americardia) Hertlein and Strong |
| 1965 | Trigoniocardia (Americardia) Palmer and Brann p. 318 |
| 1982 | Trigoniocardia (Americardia) Dockery p. 72 |
| 2002 | Americardia Sepkoski |
| 2003 | Americardia Moore |
| 2005 | Americardia Rosenberg p. 642 |
| 2008 | Americardium Powell |
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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. Americardia Stewart 1930
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†Americardia burnsii Dall 1900
Americardia columbella Lee and Huber 2012
Americardia guanacastense Hertlein and Strong 1947
Americardia guppyi Thiele 1910
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Invalid names: Cardium (Fragum) elattocostatum Woodring 1925 [synonym]
Americardia lightbourni Lee and Huber 2012
†Trigoniocardia (Americardia) avona Richards 1953
†Trigoniocardia (Americardia) protoaliculum Richards 1953
†Trigoniocardia (Americardia) silvacollina Dockery 1982
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: g = genus, c = class | |||||
| References: Aberhan et al. 2004, Todd 2001, Sanchez Roig 1926 | |||||
Age range
Maximum range based only on fossils: base of the Lutetian to the top of the Holocene or 47.80000 to 0.00000 Ma
Minimum age of oldest fossil (stem group age): 41.3 Ma
Minimum age of oldest fossil (stem group age): 41.3 Ma
Collections (70 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Lutetian | USA (Florida) | Cardium avonum (41447) Cardium protoaliculum (41450) | |
| Bartonian | USA (Florida) | Trigoniocardia avona (99202) Trigoniocardia protoalicula (99203) | |
| Priabonian | USA (Florida) | Cardium protoaliculum (41453) Trigoniocardia protoalicula (92391) | |
| Rupelian | USA (Mississippi) | Trigoniocardia silvacollina (5791 5867 5941) | |
| Miocene | Dominican Republic | A. guppyi (74913) | |
| Burdigalian | USA (Florida) | Cardium burnsii (41760 42272 42281 42290 42328 42366 42367) | |
| Late/Upper Miocene | Ecuador (Esmeraldas) | Trigoniocardia stewarti (60640) | |
| Messinian | Dominican Republic | A. guppyi (131478) A. media (94000 94005) | |
| Messinian | Panama (Colon) | A. sp. (79855) | |
| Messinian - Zanclean | Dominican Republic | A. media, A. guppyi (74967) | |
| Early/Lower Pliocene | Ecuador | A. stewarti (131293) | |
| Early/Lower Pliocene | Venezuela (Sucre) | Trigoniocardia media (41552) | |
| Zanclean | Dominican Republic | A. guppyi (90615) A. media (93640) A. media, A. guppyi (74964) | |
| Pliocene | Costa Rica | Cardium medium (134667) | |
| Pliocene | Haiti | Cardium medium (60898) | |
| Late/Upper Pliocene | Mexico (Veracruz) | A. media (134767 134768) Trigoniocardia media (59420) | |
| Late/Upper Pliocene | Jamaica | A. media, Fragum elattocostatum (69093) Cardium medium, Cardium elattocostatum (58522) Fragum medium (69092) Fragum medium, Fragum elattocostatum (69094) | |
| Late/Upper Pliocene | Venezuela | A. media (131210 131217 131237 131363) A. media, A. guppyi (131218) | |
| Late/Upper Pliocene | USA (North Carolina) | Trigoniocardia media (59307) | |
| Early/Lower Pleistocene | USA (North Carolina) | Trigoniocardia media (59316) | |
| Early/Lower Pleistocene | USA (Florida) | A. media (69029) Trigoniocardia columba (79331 79338) | |
| Early/Lower Pleistocene | Panama | Cardium medium (80304) | |
| Pleistocene | Dominican Republic | Cardium medium (75425) | |
| Pleistocene | Costa Rica | Trigoniocardia media (135044) | |
| Pleistocene | Cuba | Cardium medium (66764 66769 66770 66775) | |
| Pleistocene | Haiti | Cardium medium (60880) | |
| Middle Pleistocene | USA (Florida) | A. media (67069) A. sp. (80046) | |
| Middle Pleistocene | Bermuda | A. media (67966 67969) | |
| Middle Pleistocene (interglacial) | Bahamas | A. media (80676) | |
| Late/Upper Pleistocene (interglacial) | Bahamas | A. media (80677) | |
| Late/Upper Pleistocene | Cayman Islands | A. guppyi (80837 80854) A. media, A. guppyi (80853) | |
| Late/Upper Pleistocene (interglacial) | Jamaica | A. media, A. guppyi (80407 80408) | |
| Late/Upper Pleistocene | Bahamas | A. media (80680) | |
| Holocene | Colombia | Trigonicardium media (97680) | |
| Holocene | USA (Florida) | A. media (97610) | |
| Holocene | Venezuela | A. media (131223) |