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Eutomoceras
Taxonomy
Eutomoceras was named by Hyatt (1877) [Sepkoski's age data: Tr Anis-u Sepkoski's reference number: 302].
It was assigned to Tropitidae by von Mojsisovics (1896); to Paraceratitinae by Tozer (1981); to Ceratitida by Sepkoski (2002); and to Ceratitidae by Spath (1951), Tongtherm et al. (2016).
It was assigned to Tropitidae by von Mojsisovics (1896); to Paraceratitinae by Tozer (1981); to Ceratitida by Sepkoski (2002); and to Ceratitidae by Spath (1951), Tongtherm et al. (2016).
Species
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1877 | Eutomoceras Hyatt p. 126 |
| 1896 | Eutomoceras von Mojsisovics |
| 1951 | Eutomoceras Spath p. 11 |
| 1981 | Eutomoceras Tozer p. 93 |
| 2002 | Eutomoceras Sepkoski |
| 2016 | Eutomoceras Tongtherm et al. |
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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. †Eutomoceras Hyatt 1877
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†Eutomoceras lahontanum Smith 1914
†Eutomoceras laubei Meek 1877
†Eutomoceras rarum Arkadiev and Vavilov 1989
†Eutomoceras sandlingense von Mojsisovics 1893
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 8 | 17.0 | 6.00 | 34.0 | 19.0 | 10.8 | |
| shell diameter | 8 | 39.5 | 14.0 | 74.8 | 41.3 | 24.3 | |
| shell inflation | 8 | 8.27 | 5.00 | 17.0 | 7.20 | 4.82 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2004, Kiessling 2003 | |||||
Collections (43 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Olenekian - Anisian | Thailand | E. sp., E. laubei, E. dunni (211353) | |
| Anisian | Svalbard and Jan Mayen | Eutomoceras indet. (211968) E. laubei (211961 212789 212937 212969) E. sp. (211973 211983 212124) | |
| Anisian | China (Guangxi) | E. plicatus (204654 204655) | |
| Anisian | Svalbard and Jan Mayen (Barentsøya) | E. laubei, E. breweri (212892) | |
| Bithynian - Illyrian | USA (Nevada) | E. laubei (142622) | |
| Illyrian | USA (Nevada) | E. dalli (38920 38924 39088 115566 142868 143014) E. dalli, Hungarites fittingensis, E. lahontanum (142669) E. dunni (33322 38925 40751 57090 115553 115568 142858 142869 143016 143217) E. dunni, E. breweri, Hungarites fittingensis, E. laubei (142670) E. lahontanum (47953) E. laubei (33198 33225 38927 44034 110987 142870 143023 143218 143219) | |
| Illyrian | Russian Federation | E. rarum (111912) | |
| Carnian | India (Uttarakhand) | E. sandlingense (210803) |