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Otoceras
Taxonomy
Otoceras was named by Griesbach (1880) [Sepkoski's age data: Tr Indu-l Sepkoski's reference number: 302]. Its type is Otoceras woodwardi.
It was reranked as Hungarites (Otoceras) by Diener (1897).
It was assigned to Hungarites by Diener (1897); to Ceratitida by Sepkoski (2002); and to Otoceratidae by Spath (1934), Tozer (1994), Korn (2006) and Zhang et al. (2017).
It was reranked as Hungarites (Otoceras) by Diener (1897).
It was assigned to Hungarites by Diener (1897); to Ceratitida by Sepkoski (2002); and to Otoceratidae by Spath (1934), Tozer (1994), Korn (2006) and Zhang et al. (2017).
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. †Otoceras Griesbach 1880
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†Otoceras woodwardi Griesbach 1880
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Invalid names: Hungarites (Otoceras) fissisellatum Diener 1897 [synonym], Hungarites (Otoceras) parbati Diener 1897 [synonym], Otoceras (Metotoceras) dieneri Spath 1930 [synonym], Otoceras boreale Spath 1935 [synonym], Otoceras clivei Diener 1897 [synonym], Otoceras draupadi Diener 1897 [synonym], Otoceras gracile Tozer 1994 [synonym], Otoceras latilobatum Wang 1976 [synonym], Otoceras woodwardi undatum Griesbach 1880 [invalid subgroup]
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 31 | 43.4 | 13.0 | 118.0 | 45.0 | 25.3 | |
| shell diameter | 31 | 76.2 | 24.5 | 233.7 | 78.0 | 52.1 | |
| shell inflation | 31 | 10.1 | 4.00 | 21.0 | 10.0 | 5.57 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2003, Kiessling 2004 | |||||
Age range: base of the Changhsingian to the top of the Spathian or 254.17000 to 247.20000 Ma
Collections (117 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Changhsingian | China (Zhejiang) | O. sp. (48895 111649) | |
| Changhsingian | Russian Federation | O. sp., O. gracile (221957) | |
| Changhsingian | Russian Federation (Sakha) | O. sp. (206756 206757 206758) | |
| Changhsingian - Griesbachian | Russian Federation (Siberia) | O. boreale (48474) | |
| Induan | India | O. woodwardi (210992) | |
| Induan | Norway | O. boreale (31367) | |
| Induan | Azerbaijan | O. sp. (73230 73241) | |
| Induan | India (Kashmir) | O. undatum, O. fissisellatum (215000) | |
| Induan | Svalbard and Jan Mayen | O. sp. (212933 212966) | |
| Griesbachian | Svalbard and Jan Mayen | O. boreale (212072 212073) | |
| Griesbachian | Russian Federation | O. boreale (107120 127719 187148 187149 187150 187151 187152 187153 187154 187155 187158 221958) O. concavum (107121) | |
| Griesbachian | USA (Alaska) | O. boreale (61954) | |
| Griesbachian | China (Xizang) | O. latilobatum (73609) O. sp. (229686 229687 229690 229691 229692 229775) O. woodwardi (189585) | |
| Griesbachian | India | O. clivei (44025) O. woodwardi (44024 110990 110991 110992 110994) O. woodwardi, Hungarites sp. (85463) O. woodwardi, O. clivei (44017 44019) O. woodwardi, O. clivei, O. draupadi, O. undatum, O. fissisellatum (44028) O. woodwardi, O. clivei, O. undatum (44018) O. woodwardi, O. parbati (44026) | |
| Griesbachian | Canada (Nunavut) | O. boreale (47921 47922 47935 47937 47941 47942 47945 47946 47971 47987 47988 47989 61942 61944 98560 98561 137953) O. concavum (47936 47944 47956 47957 47959 47960 47979 47981 47982 47983 47984 47985 47986) O. gracile (47980) | |
| Griesbachian | Greenland | O. boreale (48037 48059 48061 112747 112752 112761 112763 118502 118524 118525 118617 118680 118681 118682 118683 118702 118708 118744 118757 118759) O. fissisellatum (48123) O. sp. (48115 118763) | |
| Griesbachian | Russian Federation (Sakha) | O. boreale (206759 206760) O. sp. (206761 206762 206763 206764 206765) | |
| Griesbachian | India (Kashmir) | O. sp. (48996) O. woodwardi (48914 131943 131949) | |
| Spathian | Indonesia | O. sp. (111020) | |
| Dienerian | Greenland | O. boreale (196948) |