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Eutrephoceras
Taxonomy
Eutrephoceras was named by Hyatt (1894) [Sepkoski's age data: J Call T Mi-u Sepkoski's reference number: 524].
It was assigned to Nautilinae by Klinger (1985) and Noda et al. (2001); to Nautilida by Sepkoski (2002); to Eutrephoceratidae by Haas and Miller (1952) and Landman et al. (2007); and to Nautilidae by Reeside (1924), Miller (1947), Kummel (1954), Palmer (1961), Teichert et al. (1964), Shimansky (1975), Cichowolski et al. (2005), Darragh and Kendrick (2008), Kennedy et al. (2008), Machalski and Wilmsen (2015), Ifrim et al. (2015), Lehmann et al. (2016) and Darragh (2017).
It was assigned to Nautilinae by Klinger (1985) and Noda et al. (2001); to Nautilida by Sepkoski (2002); to Eutrephoceratidae by Haas and Miller (1952) and Landman et al. (2007); and to Nautilidae by Reeside (1924), Miller (1947), Kummel (1954), Palmer (1961), Teichert et al. (1964), Shimansky (1975), Cichowolski et al. (2005), Darragh and Kendrick (2008), Kennedy et al. (2008), Machalski and Wilmsen (2015), Ifrim et al. (2015), Lehmann et al. (2016) and Darragh (2017).
Species
E. (Simplicioceras), E. ahltenense, E. alcesense, E. allani, E. allionii, E. angolaense, E. antarcticum, E. astierianum, E. azraqensis, E. bellerophon, E. berryi, E. blanki, E. boissieri, E. bouchardianum, E. burundukhajense, E. carolinense, E. carolinensis, E. charpentieri (syn. Nautilus labechei, Nautilus baluchistanensis, Nautilus pseudobouchardianus), E. claramontanum, E. clementinum (syn. Nautilus simplex), E. dartevellei, E. darupense, E. decorum, E. dekayi, E. depressum, E. donbassicum, E. dorbignyanum (syn. Nautilus subplicatus, E. simile, E. egitoense, Nautilus woodsi, Nautilus valenciennii), E. douvillei (syn. Nautilus desertorum), E. dubaleni, E. expansum, E. eyerdami, E. faxoense, E. flammeum, E. globosum, E. hacobjani, E. hallidayi, E. hannai, E. indicum, E. insigne, E. irritilasi, E. izumoensis, E. japonicus, E. johnsoni, E. jonesi, E. justum, E. kummeli, E. laverdei, E. lentiforme, E. leonei, E. marksi, E. merteni, E. montanaense, E. montanensis, E. montmollini, E. moskvini, E. municeps, E. neubergicus, E. nodai, E. oregonense, E. parisiense, E. perlatus, E. planoventer, E. quadrilineatum, E. reesidei, E. rotundum, E. sloani, E. soyaense, E. spengleri, E. sphaericum, E. stephensoni, E. subfleuriausianum, E. subinflatum (syn. Nautilus inflatus), E. sublaevigatum (syn. Nautilus resupinatus, Nautilus laevigatus), E. subrotundum, E. tawaense, E. traubi, E. tumescens, E. umbilicare, E. urbanum, E. uzense, E. vastum, E. victorianum, E. waageni
Synonymy list
| Year | Name and author |
|---|---|
| 1894 | Eutrephoceras Hyatt p. 555 |
| 1924 | Eutrephoceras Reeside p. 2 |
| 1947 | Eutrephoceras Miller p. 26 |
| 1952 | Eutrephoceras Haas and Miller p. 329 |
| 1954 | Eutrephoceras Kummel p. 320 |
| 1961 | Eutrephoceras Palmer p. 533 |
| 1964 | Eutrephoceras Teichert et al. p. 449 |
| 1975 | Eutrephoceras Shimansky |
| 1985 | Eutrephoceras Klinger p. 3 |
| 2001 | Eutrephoceras Noda et al. p. 92 |
| 2002 | Eutrephoceras Sepkoski |
| 2005 | Eutrephoceras Cichowolski et al. p. 271 |
| 2007 | Eutrephoceras Landman et al. p. 55 |
| 2008 | Eutrephoceras Darragh and Kendrick p. 220 |
| 2008 | Eutrephoceras Kennedy et al. p. 37 |
| 2015 | Eutrephoceras Ifrim et al. p. 231 |
| 2015 | Eutrephoceras Machalski and Wilmsen p. 497 |
| 2016 | Eutrephoceras Lehmann et al. p. 432 |
| 2017 | Eutrephoceras Darragh p. 98 |
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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. †Eutrephoceras Hyatt 1894
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†Eutrephoceras ahltenense Schulter 1876
†Eutrephoceras alcesense Reeside 1927
†Eutrephoceras allani Fleming 1945
†Eutrephoceras allionii Michelotti 1840
†Eutrephoceras angolaense Wiedmann 1960
†Eutrephoceras antarcticum Cichowolski et al. 2005
†Eutrephoceras astierianum d'Orbigny 1850
†Eutrephoceras azraqensis Al-Harithi and Ibrahim 1992
†Eutrephoceras bellerophon Lundgren 1867
†Eutrephoceras berryi Miller 1947
†Eutrephoceras blanki Shimansky 1975
†Eutrephoceras boissieri Pictet 1866
†Eutrephoceras bouchardianum d'Orbigny 1840
†Eutrephoceras burundukhajense Shimansky 1975
†Eutrephoceras carolinense Kellum 1926
†Eutrephoceras carolinensis Kellum 1926
†Eutrephoceras charpentieri Leymerie 1851
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Invalid names: Nautilus baluchistanensis Spengler 1910 [synonym], Nautilus labechei d'Archiac and Haime 1853 [synonym], Nautilus pseudobouchardianus Spengler 1910 [synonym]
†Eutrephoceras claramontanum Kuhn 1939
†Eutrephoceras dartevellei Miller 1951
†Eutrephoceras darupense Schluter 1876
†Eutrephoceras decorum Shimansky 1975
†Eutrephoceras dekayi Morton 1834
†Eutrephoceras depressum van Binckhorst 1861
†Eutrephoceras donbassicum Shimansky 1975
†Eutrephoceras dorbignyanum Forbes 1846
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Invalid names: Nautilus subplicatus Steinman 1895 [synonym], Nautilus valenciennii Hupe 1854 [synonym]
†Eutrephoceras dubaleni Peyrot 1932
†Eutrephoceras expansum Sowerby 1824
†Eutrephoceras eyerdami Palmer 1961
†Eutrephoceras faxoense Hyatt 1894
†Eutrephoceras flammeum Ronchetti 1947
†Eutrephoceras globosum Tinant 1987
†Eutrephoceras hacobjani Shimansky 1974
†Eutrephoceras hallidayi Waring 1914
†Eutrephoceras hannai Vokes 1937
†Eutrephoceras indicum d'Orbigny 1850
†Eutrephoceras insigne Shimansky 1975
†Eutrephoceras irritilasi Ifrim et al. 2013
†Eutrephoceras izumoensis Yokoyama 1913
†Eutrephoceras japonicus Shimizu 1926
†Eutrephoceras johnsoni Miller 1947
†Eutrephoceras jonesi Miller and Thompson 1933
†Eutrephoceras justum Blanford 1861
†Eutrephoceras kummeli Wiedmann 1960
†Eutrephoceras laverdei Durham 1946
†Eutrephoceras lentiforme Stoliczka 1866
†Eutrephoceras leonei Negri 1934
†Eutrephoceras marksi Miller 1947
†Eutrephoceras merteni Wiedmann 1960
†Eutrephoceras montanaense Meek 1876
†Eutrephoceras montanensis Kummel 1954
†Eutrephoceras montmollini Pictet and Campiche 1859
†Eutrephoceras moskvini Shimansky 1975
†Eutrephoceras municeps Shimansky 1975
†Eutrephoceras neubergicus Redtenbacher 1873
†Eutrephoceras nodai Matsumoto 1983
†Eutrephoceras oregonense Miller 1947
†Eutrephoceras parisiense Deshayes 1865
†Eutrephoceras perlatus Morton 1834
†Eutrephoceras planoventer Stephenson 1941
†Eutrephoceras quadrilineatum Favre 1869
†Eutrephoceras reesidei Stenzel 1940
†Eutrephoceras rotundum Crick 1898
†Eutrephoceras sloani Reeside 1924
†Eutrephoceras soyaense Matsumoto and Miyauchi 1983
†Eutrephoceras spengleri Wiedmann 1960
†Eutrephoceras sphaericum Forbes 1846
†Eutrephoceras stephensoni Dickerson 1914
†Eutrephoceras subfleuriausianum d'Archiac 1850
†Eutrephoceras subinflatum d'Orbigny 1850
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Invalid names: Nautilus inflatus d'Orbigny 1843 [replaced]
†Eutrephoceras sublaevigatum d'Orbigny 1850
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Invalid names: Nautilus laevigatus d'Orbigny 1840 [replaced], Nautilus resupinatus Redtenbacher 1873 [synonym]
†Eutrephoceras subrotundum Crick 1898
†Eutrephoceras tawaense Furuichi 1982
†Eutrephoceras traubi Schultz 1976
†Eutrephoceras tumescens Frauscher 1895
†Eutrephoceras umbilicare Deshayes 1835
†Eutrephoceras urbanum Sowerby 1843
†Eutrephoceras uzense Shimansky 1975
†Eutrephoceras vastum Kner 1850
†Eutrephoceras victorianum Teichert 1943
†Eutrephoceras waageni Gemmellaro 1886
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| partial shell height | 1 | 73.0 | - | - | - | - | |
| partial shell diameter | 1 | 115.0 | - | - | - | - | |
| partial shell inflation | 1 | 9.00 | - | - | - | - | |
| shell height | 80 | 41.1 | 9.00 | 180.0 | 41.8 | 33.5 | |
| shell diameter | 80 | 69.2 | 15.0 | 256.0 | 67.0 | 54.7 | |
| shell inflation | 80 | 0.057 | 0.001 | 15.2 | 0.001 | 3.89 |
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| Source: f = family, o = order, c = class | |||||
| References: Hendy et al. 2009, Kiessling 2004, Kiessling 2003 | |||||
Age range: base of the Early/Lower Bajocian to the top of the Serravallian or 171.60000 to 11.62000 Ma
Collections (414 total)
Oldest occurrences | |||
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Toarcian - Aalenian | Italy | Nautilus waageni (171174) | |
| Early/Lower Bajocian | United Kingdom | Nautilus rotundus (171171) | |
| Sauzei | United Kingdom | Nautilus rotundus, Nautilus subrotundus (171172) | |
| Bajocian | USA (Wyoming) | E. sp. (167096) | |
| Bajocian | Saudi Arabia | E. waageni (45266) | |
| Bathonian | Saudi Arabia | E. rotundum (48369 48405) E. waageni (48485) | |
| Callovian | Saudi Arabia | E. douvillei (48564) E. sp. (48537) E. sp., E. douvillei (47891) | |
| Early/Lower Callovian | USA (Montana) | E. montanensis (180713 180714 180715 180716 180717 180718 180719) | |
| Oxfordian | Egypt | Nautilus desertorum (171262) | |
| Early/Lower Kimmeridgian | Germany | Nautilus francomontanus (167360) | |
Youngest occurrences |
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| Time interval | Ma | Country or state | PBDB collection number |
| Priabonian | Japan | E. japonicus (179914) | |
| Priabonian | Australia (Western Australia) | E. sp. (205816) | |
| Priabonian | USA (South Carolina) | E. carolinensis (5362 5363) | |
| Early/Lower Oligocene | USA (Oregon) | E. sp. (81851) | |
| Rupelian | Japan | Nautilus japonicus (179892) | |
| Oligocene | USA (Oregon) | E. oregonense (81847) | |
| Burdigalian | France | Nautilus dubaleni (57732 179940) | |
| Langhian | Japan | Nautilus izumoensis (179848) | |
| Langhian | France | Nautilus allionii (179866) | |
| Serravallian | Japan | Nautilus izumoensis (179845 179846 179847) | |