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Metahaploceras
Taxonomy
Metahaploceras was named by Spath (1925) [Sepkoski's age data: J Kimm]. It is not extant.
It was reranked as Taramelliceras (Metahaploceras) by Spath (1925), Schlegelmilch (1994) and Schairer and Schlampp (2003).
It was assigned to Taramelliceratinae by Arkell et al. (1957); to Ammonoidea by Sepkoski (2002); and to Taramelliceras by Spath (1925), Schlegelmilch (1994) and Schairer and Schlampp (2003).
It was reranked as Taramelliceras (Metahaploceras) by Spath (1925), Schlegelmilch (1994) and Schairer and Schlampp (2003).
It was assigned to Taramelliceratinae by Arkell et al. (1957); to Ammonoidea by Sepkoski (2002); and to Taramelliceras by Spath (1925), Schlegelmilch (1994) and Schairer and Schlampp (2003).
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1925 | Metahaploceras Spath |
| 1925 | Taramelliceras (Metahaploceras) Spath |
| 1957 | Metahaploceras Arkell et al. p. 281 |
| 1994 | Taramelliceras (Metahaploceras) Schlegelmilch p. 37 |
| 2002 | Metahaploceras Sepkoski |
| 2003 | Taramelliceras (Metahaploceras) Schairer and Schlampp p. 19 |
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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. †Metahaploceras Spath 1925
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Diagnosis
No diagnoses are available