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Pygurus (Mepygurus)
Taxonomy
Mepygurus was named by Pomel (1883) [Sepkoski's age data: J Call Sepkoski's reference number: 342].
It was reranked as Pygurus (Mepygurus) by Kier (1962), Kier (1966).
It was assigned to Pygurus by Kier (1962), Kier (1966); and to Cassiduloida by Sepkoski (2002).
It was reranked as Pygurus (Mepygurus) by Kier (1962), Kier (1966).
It was assigned to Pygurus by Kier (1962), Kier (1966); and to Cassiduloida by Sepkoski (2002).
Subtaxa
Species lacking formal opinion data
Entered
by J. Sepkoski on 2003-01-23; modified by L. Villier on 2013-10-27
Synonymy list
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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. †Pygurus (Mepygurus) Pomel 1883
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†Pygurus (Mepygurus) depressus Agassiz 1847
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: c = class, p = phylum | |||||
| References: Aberhan 1992, Kiessling 2004 | |||||
Age range: base of the Callovian to the top of the Middle Callovian or 165.30000 to 161.50000 Ma
Collections (6 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Callovian | India | Pygurus sp. (68079) | |
| Early/Lower Callovian | Madagascar | Mepygurus depressus (98184 98185) Pygurus depressus (98096 98194) | |
| Early/Lower Callovian - Middle Callovian | Madagascar | Pygurus depressus (98160) |