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Taxonomy
Orthocardium was named by Tremlett (1950) [Sepkoski's age data: T Than-l T Eo-u Sepkoski's reference number: 914]. It is not extant.
It was reranked as Vepricardium (Orthocardium) by Cox et al. (1969); it was reranked as Cardium (Orthocardium) by Keen (1980) and Le Renard and Pacaud (1995).
It was assigned to Vepricardium by Cox et al. (1969); to Cardiinae by Vokes (1980); to Cardium by Keen (1980) and Le Renard and Pacaud (1995); to Veneroida by Sepkoski (2002); and to Orthocardiinae by Schneider (2002) and Bouchet et al. (2010).
It was reranked as Vepricardium (Orthocardium) by Cox et al. (1969); it was reranked as Cardium (Orthocardium) by Keen (1980) and Le Renard and Pacaud (1995).
It was assigned to Vepricardium by Cox et al. (1969); to Cardiinae by Vokes (1980); to Cardium by Keen (1980) and Le Renard and Pacaud (1995); to Veneroida by Sepkoski (2002); and to Orthocardiinae by Schneider (2002) and Bouchet et al. (2010).
Synonymy list
| Year | Name and author |
|---|---|
| 1950 | Orthocardium Tremlett |
| 1969 | Vepricardium (Orthocardium) Cox et al. p. N586 |
| 1980 | Cardium (Orthocardium) Keen p. 7 |
| 1980 | Orthocardium Vokes p. 127 |
| 1995 | Cardium (Orthocardium) Le Renard and Pacaud p. 74 |
| 2002 | Orthocardium Schneider p. 351 figs. Figure 25 |
| 2002 | Orthocardium Sepkoski |
| 2010 | Orthocardium 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. †Orthocardium Tremlett 1950
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†Cardium (Orthocardium) gratum Defrance in Deshayes 1829
†Cardium (Orthocardium) porulosum Solander 1766
†Cardium (Orthocardium) trifidum Deshayes 1858
†Orthocardium commutatum Rovereto 1898
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Invalid names: Cardium brongniarti Mayer 1863 [replaced]
†Orthocardium stilpnaulax Cossmann 1886
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, c = class | |||||
| References: Aberhan et al. 2004, Todd 2001 | |||||
Age range: base of the Early/Lower Eocene to the top of the Rupelian or 55.80000 to 28.10000 Ma
Collections (26 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Ypresian | France | Cardium porulosum (59788) | |
| Ypresian | Belgium | O. porulosum (77608) | |
| Ypresian - Lutetian | United Kingdom (England) | Cardium porulosum (42583) | |
| Early/Lower Eocene - Middle Eocene | United Kingdom (England) | O. porulosum (3257 3258) | |
| Lutetian | France | Cardium hopneri (171532) | |
| Lutetian | Belgium | O. porulosum (77611) | |
| Lutetian | United Kingdom (England) | O. porulosum (8124 8125) Vepricardium porulosum (8047) | |
| Middle Eocene | United Kingdom (England) | Vepricardium porulosum (3265) | |
| Bartonian | United Kingdom (England) | Trachycardium porulosum (42636 42639) | |
| Bartonian | Croatia | Cardium gratum (124308 124372) | |
| Bartonian | France | Vepricardium porulosum, Vepricardium trifidium, Vepricardium gratum (78567) | |
| Bartonian | France (Oise) | Cardium porulosum (3494) | |
| Priabonian | Bulgaria (Kurdzhali) | Cardium gratum (102288) | |
| Priabonian | Italy | Vepricardium gratum (78565) | |
| Priabonian | Bulgaria (Burgas) | Cardium gratum (102230) | |
| Late/Upper Eocene | United Kingdom (England) | Cardium porulosum (42582 42584 42585 42586) | |
| Rupelian | Italy | O. commutatum (70053) | |
| Rupelian | France | Europicardium commutatum (74855) |