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Metophiceras
Taxonomy
Metophiceras was named by Spath (1935).
It was reranked as Ophiceras (Metophiceras) by Spath (1935).
It was assigned to Ophiceras by Spath (1935); and to Xenodiscidae by Korn (2006).
It was reranked as Ophiceras (Metophiceras) by Spath (1935).
It was assigned to Ophiceras by Spath (1935); and to Xenodiscidae by Korn (2006).
Species
Species lacking formal opinion data
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.
G. †Metophiceras Spath 1935
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†Metophiceras demissum Oppel 1862
†Metophiceras subdemissum Spath 1935
†Ophiceras (Metophiceras) noenygaardi Spath 1935
†Ophiceras (Metophiceras) praecursor Spath 1935
Diagnosis
No diagnoses are available
Measurements
part | N | mean | minimum | maximum | median | s.d. | |
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shell diameter | 8 | 42.0 | 22.4 | 55.6 | 44.6 | 11.4 |
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Source: o = order, c = class | |||||
References: Kiessling 2004, Kiessling 2003 |
Age range: base of the Changhsingian to the top of the Sinemurian or 254.17000 to 190.80000 Ma
Collections (59 total)
Time interval | Ma | Country or state | Original ID and collection number |
---|---|---|---|
Changhsingian | China (Zhejiang) | M. sp. (48895 111649) | |
Changhsingian - Griesbachian | China (Sichuan) | M. sp. (48944) M. sp. 1, M. sp. 2 (111618) | |
Induan | Nepal (Byans) | Ophiceras demissum (214668) | |
Griesbachian | China (Sichuan) | M. sp. (149077 149083) | |
Griesbachian | Russian Federation | M. subdemissum (107115) | |
Griesbachian | China (Guizhou) | Ophiceras demissum (98223 99901 111985) | |
Griesbachian | Russian Federation (Siberia) | M. subdemissum (48488) | |
Griesbachian | Greenland | M. noenygaardi (112726) M. sp. (48049) M. subdemissum (112763) M. subdemissum, M. noenygaardi (112725 112730) M. wegeneri (48061) M. wegeneri, M. subdemissum (112740) Ophiceras demissum (48113 48122) Ophiceras praecursor (48059 118757) Ophiceras sp. (118581 118634 118639 118706) Ophiceras sp. juv. (118633) Ophiceras subdemissum (118583 118649 118679 118680 118681 118682 118708 118753) Ophiceras subdemissum, Ophiceras noenygaardi (118560 118702) Ophiceras subdemissum, Ophiceras noenygaardi, Ophiceras praecursor (118683) Ophiceras subdemissum, Ophiceras praecursor (118502 118744 118754) | |
Griesbachian | USA (Idaho) | Ophiceras subdemissum (203175) | |
Griesbachian | China (Xizang) | M. demissum (229686 229688) Ophiceras demissum (189586) | |
Griesbachian | India | Ophiceras demissum (44023 44024 44026 44028) Xenodiscus demissus (110990 110992) | |
Griesbachian | Indonesia (Timor) | Ophiceras demissum (205270) | |
Griesbachian | India (Kashmir) | Ophiceras subdemissum (131954) | |
Griesbachian | Oman | M. subdemissum (214532) | |
Spathian | Greece | Ophiceras demissum (112607) | |
Dienerian | Greenland | M. sp. (196948) | |
Hettangian - Sinemurian | Romania | M. simplex (219456) | |
Sinemurian - Early/Lower Pliensbachian | Austria | M. sp. (218908) |