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Richina
Taxonomy
Richina is a genus. It is not extant. It is the type genus of Richinidae.
It was assigned to Richinidae by Benson et al. (1961); and to Palaeocopida by Sepkoski (2002).
It was assigned to Richinidae by Benson et al. (1961); and to Palaeocopida by Sepkoski (2002).
Species
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1961 | Richina Benson et al. p. Q132 |
| 2002 | Richina 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. †Richina
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†Richina subcircularis Coryell and Malkin 1936
†Richina trinodosa Kesling and Chilman 1978
†Richina truncata Coryell and Malkin 1936
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, c = class | |||||
| References: Alvarez et al. 2008, Kiessling 2004 | |||||
Age range: base of the Lochkovian to the top of the Givetian or 419.62000 to 382.31000 Ma
Collections (14 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Helderbergian - Lochkovian | Ukraine | R. biconica (13875) | |
| Lochkovian | Ukraine | R. biconica (13876) | |
| Lochkovian | Poland | R. propria, R. varia (13878) | |
| Givetian | USA (Michigan) | R. subcircularis, R. trinodosa, R. truncata (38475) | |
| Givetian | USA (Ohio) | R. subcircularis, R. truncata (81857 206972 206973 206974) | |
| Givetian | USA (New York) | R. selenicristata (94041 94042 94047 94049) R. selenicristata, R. sp. (94048) R. truncata (206793) |