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Physodoceras
Taxonomy
Physodoceras was named by Hyatt (1900) [Sepkoski's age data: J Kimm-l J Tith-l]. It is not extant. Its type is Ammonites circumspinosus.
It was reranked as Aspidoceras (Physodoceras) by Atrops and Benest (1984).
It was assigned to Aspidoceras by Atrops and Benest (1984); to Ammonoidea by Sepkoski (2002); to Aspidoceratidae by Parent et al. (2011); and to Aspidoceratinae by Verma and Westermann (1973) and Garrido et al. (2018).
It was reranked as Aspidoceras (Physodoceras) by Atrops and Benest (1984).
It was assigned to Aspidoceras by Atrops and Benest (1984); to Ammonoidea by Sepkoski (2002); to Aspidoceratidae by Parent et al. (2011); and to Aspidoceratinae by Verma and Westermann (1973) and Garrido et al. (2018).
Species
Species lacking formal opinion data
Synonymy list
Year | Name and author |
---|---|
1900 | Physodoceras Hyatt p. 582 |
1973 | Physodoceras Verma and Westermann p. 194 |
1984 | Aspidoceras (Physodoceras) Atrops and Benest |
2002 | Physodoceras Sepkoski |
2011 | Physodoceras Parent et al. |
2018 | Physodoceras Garrido et al. p. 6 |
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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. †Physodoceras Hyatt 1900
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†Aspidoceras (Physodoceras) circumspinosum Quenstedt 1856
†Physodoceras burkarti Aguilera 1895
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Invalid names: Aspidoceras cajense Burckhardt 1906 [synonym], Aspidoceras phosphoriticum Burckhardt 1906 [synonym]
†Physodoceras widerai Scherzinger et al. 2018
Diagnosis
No diagnoses are available
Measurements
part | N | mean | |||||
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shell height | 1 | 15.5 | |||||
shell diameter | 1 | 31.0 | |||||
shell inflation | 1 | 4.50 |
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Source: o = order, c = class | |||||
References: Kiessling 2003, Kiessling 2004 |
Age range: base of the Late/Upper Oxfordian to the top of the Early/Lower Tithonian or 161.20000 to 145.00000 Ma
Collections (37 total)
Time interval | Ma | Country or state | Original ID and collection number |
---|---|---|---|
Oxfordian | Algeria | Aspidoceras circumspinosum (45050) | |
Oxfordian | Spain | Aspidoceras sp. (67866) | |
Oxfordian - Berriasian | Spain | P. neoburgense, P. avellanum (73297) | |
Late/Upper Oxfordian | Romania | P. sp. (35192) | |
Late/Upper Oxfordian | Italy (Trapani) | P. wolfi (36925 36966) | |
Kimmeridgian | Madagascar | P. avellanoides (98162) P. avellanoides, P. circumspinum (98167) P. avellanoides, P. cyclotum, P. circumspinosum (98163) P. avellanum (98164) | |
Kimmeridgian | Romania | P. altenense (198400) | |
Kimmeridgian | France | Aspidoceras circumspinosum (12362) | |
Kimmeridgian | Canada (British Columbia) | P. sp. (114690) | |
Kimmeridgian | Hungary | P. sp. (154747 154748) | |
Early/Lower Kimmeridgian | Romania | P. altenense (198353) P. wolfi (198305 198344) | |
Early/Lower Kimmeridgian | Switzerland (Jura) | P. circumspinosum (185665) | |
Early/Lower Kimmeridgian | Italy (Trapani) | P. sp. (36968) | |
Early/Lower Kimmeridgian | Germany (Bavaria) | P. altenense, P. circumspinosum (212931 212932) | |
Early/Lower Kimmeridgian | Mexico ( San Luis Potosí ) | P. sp. (192459) | |
Early/Lower Kimmeridgian - Late/Upper Kimmeridgian | Madagascar | P. periacense (234301) | |
Late/Upper Kimmeridgian | Germany | P. hermanni (211294) | |
Late/Upper Kimmeridgian | Germany (Baden-Württemberg) | P. nattheimense (154138) | |
Late/Upper Kimmeridgian | Germany (Bavaria) | P. sp. (132944) | |
Tithonian | Hungary | P. hoplisum (154750) | |
Tithonian | Italy | P. avellanum (155052) | |
Early/Lower Tithonian | Germany | P. hoplisum (193290) P. sp. (193332 193335 193336) P. sp., P. widerai (193334) | |
Early/Lower Tithonian | Italy (Ancona) | P. cyclotum (46385) | |
Early/Lower Tithonian - Middle Tithonian | Argentina | P. sp. A (200686) | |
Middle Tithonian | Argentina (Neuquen) | P. sp. A (132052) |