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Arnioceras
Taxonomy
Arnioceras was named by Hyatt (1867) [Sepkoski's age data: J Sine-l J Sine-u Sepkoski's reference number: 302]. It is not extant.
It was assigned to Ammonoidea by Sepkoski (2002); to Agassiceratinae by Meister and Friebe (2003); and to Arietitinae by Bremer (1965), Corna and Dommergues (1995), Blau (1998), Macchioni et al. (2006), Geczy and Meister (2007), Meister et al. (2010), Howarth (2013).
It was assigned to Ammonoidea by Sepkoski (2002); to Agassiceratinae by Meister and Friebe (2003); and to Arietitinae by Bremer (1965), Corna and Dommergues (1995), Blau (1998), Macchioni et al. (2006), Geczy and Meister (2007), Meister et al. (2010), Howarth (2013).
Species
A. arnouldi, A. bodleyi, A. ceratitoides (syn. A. humboldti), A. cuneiforme, A. fieldingiceroides, A. insolitum, A. mendax, A. miserabile, A. nevadanum, A. paucicostum, A. pseudokridion, A. pseudoturneri, A. rejectum, A. robustum, A. semicostatum, A. semilaeve (syn. Ammonites multicostatus), A. speciosum, A. transitionis, Arniotites schmerbitzii, Arniotites stautei, Arniotites vancouverensis
Species lacking formal opinion data
A. acuticarinatum, A. anageneticum, A. angusticostatum, A. angusticostatus, A. bucklandi, A. carenatum, A. crassicosta, A. densicosta, A. dimorphum, A. falcaries, A. flavum, A. hartmani, A. hartmanni, A. kridioides, A. kridion, A. laevissimum, A. nigrum, A. nodulosum, A. obliquecostatum, A. oppeli, A. paucicostatum, A. repens, A. semicostatoides, A. speciosurn, A. speciusum, A. spirale, A. sulcatum
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1867 | Arnioceras Hyatt |
| 1924 | Eparnioceras Spath p. 190 |
| 1927 | Arniotites Smith |
| 1928 | Melanhippites Crickmay p. 61 |
| 1965 | Arnioceras Bremer |
| 1967 | Burkhardticeras Lopez p. 28 |
| 1995 | Arnioceras Corna and Dommergues |
| 1998 | Arnioceras Blau p. 203 |
| 2002 | Arnioceras Sepkoski |
| 2002 | Arniotites Sepkoski |
| 2002 | Laevispirus Venturi and Nannarone p. 148 |
| 2003 | Arnioceras Meister and Friebe |
| 2006 | Arnioceras Macchioni et al. p. 566 |
| 2007 | Arnioceras Geczy and Meister |
| 2010 | Arnioceras Meister et al. |
| 2013 | Arnioceras Howarth p. 20 |
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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. †Arnioceras Hyatt 1867
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†Arnioceras arnouldi Dumortier 1867
†Arnioceras bodleyi Buckman 1844
†Arnioceras ceratitoides Quenstedt 1848
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Invalid names: Arnioceras humboldti Hyatt 1889 [synonym]
†Arnioceras cuneiforme Hyatt 1867
†Arnioceras fieldingiceroides Dommergues and Faure 1986
†Arnioceras insolitum Fucini 1902
†Arnioceras mendax Fucini 1902
†Arnioceras miserabile Quendstedt 1858
†Arnioceras nevadanum Gabb 1870
†Arnioceras paucicostum Fucini 1901
†Arnioceras pseudokridion Spath 1924
†Arnioceras pseudoturneri Spath 1956
†Arnioceras rejectum Fucini 1902
†Arnioceras robustum Quenstedt 1884
†Arnioceras semicostatum Young and Bird 1828
†Arnioceras speciosum Fucini 1902
†Arnioceras transitionis Spath 1956
Invalid names: Arniotites [synonym], Burkhardticeras Lopez 1967 [synonym], Eparnioceras Spath 1924 [synonym], Laevispirus Venturi and Nannarone 2002 [synonym], Melanhippites Crickmay 1928 [synonym]
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| height | 1 | 7.20 | - | - | - | - | |
| diameter | 1 | 38.0 | - | - | - | - | |
| inflation | 1 | 18.8 | - | - | - | - | |
| shell height | 21 | 8.39 | 6.00 | 14.0 | 8.00 | 2.63 | |
| shell diameter | 21 | 38.6 | 18.4 | 113.4 | 33.5 | 28.3 | |
| shell inflation | 21 | 16.9 | 8.80 | 34.0 | 18.2 | 8.03 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2004, Kiessling 2003 | |||||
Collections (215 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Triassic - Sinemurian | Chile (Chañaral) | A. sp. (223804) | |
| Hettangian - Early/Lower Sinemurian | Canada (British Columbia) | A. sp. (53289) | |
| Early/Lower Jurassic | Canada (British Columbia) | A. angusticostatus, A. oppeli, A. miserabile, A. ceratitoides (199689) A. arnouldi (199629 199686) A. ceratitoides (199626) A. miserabile, A. arnouldi (199624) A. miserabile, A. ceratitoides (199688) A. oppeli, A. miserabile (199623) A. sp., A. miserabile (199621) A. sp., A. miserabile, A. speciosum (199622) A. speciosum (199625 199635 199636 199637) A. spp. (199628 199630 199632) A. spp., A. miserabile, A. ceratitoides (199633) A. spp., A. speciosum (199627) Arniotites sp. (38363) Arniotites telferi (38364) | |
| Bucklandi | Ukraine (Crimea) | A. mendax (230732) | |
| Bucklandi | Hungary (Veszprém Megye) | A. insolitum (78206) | |
| Bucklandi | France | A. sp. (219985) | |
| Early/Lower Sinemurian | Germany | A. falcaries (28896) A. kridioides (28887) A. laevissimum (28889) A. semicostatum (28895) A. sp. (28875) | |
| Early/Lower Sinemurian | Chile | A. semicostatum, A. ceratitoides (210172) A. semicostatum, A. miserabile, A. robustum, A. ceratitoides, A. mendax (210171) A. sp. (209246 209248 209274 209349 209564 209568) A. sp., A. semicostatum (210173) | |
| Early/Lower Sinemurian | France (Bourgogne-Franche-Comté) | A. densicosta, A. hartmani, A. oppeli, A. crassicosta, A. acuticarinatum, A. nodulosum, A. obliquecostatum, A. semicostatoides, A. sp., A. sulcatum, A. semicostatum, A. miserabile, A. arnouldi, A. robustum, A. ceratitoides, A. cuneiforme (234373) | |
| Early/Lower Sinemurian | Ukraine (Transcarpathian) | A. sp. (197219) | |
| Early/Lower Sinemurian | Austria | A. paucicostum (218900) A. sp. (196522) A. sp., A. paucicostum (218904) | |
| Early/Lower Sinemurian | Germany (Baden-Württemberg) | A. kridioides, A. sp., A. falcaries (38728) A. oppeli (38731) A. sp. (38734) | |
| Early/Lower Sinemurian | United Kingdom (England) | A. semicostatum (29239 29241) | |
| Early/Lower Sinemurian | United Kingdom (Yorkshire) | A. nodulosum, A. acuticarinatum, A. sp., A. semicostatum, A. miserabile, A. bodleyi (219466) A. sp. (219467) | |
| Early/Lower Sinemurian | United Kingdom (Wales) | A. semicostatum (29242) | |
| Early/Lower Sinemurian | New Caledonia | A. bodleyi (198412) | |
| Early/Lower Sinemurian | Canada (Yukon) | A. sp. (53873) | |
| Early/Lower Sinemurian | Hungary (Veszprém Megye) | A. paucicostatum (78208) | |
| Early/Lower Sinemurian | Chile (Antofagasta) | A. semicostatum, A. ceratitoides (210214) A. sp. (210215 210221 210222 210223) | |
| Early/Lower Sinemurian | Chile (Taltal) | A. ceratitoides (210075 210148 210152) A. miserabile (210073) A. semicostatum (210087) A. semicostatum, A. ceratitoides (210057 210070 210149 210150 210151) A. semicostatum, A. miserabile (210072 210086) A. semicostatum, A. miserabile, A. ceratitoides (210069 210074) A. sp. (210077 210081) A. sp., A. densicosta (210078) | |
| Early/Lower Sinemurian | Hong Kong | A. sp. (137807) | |
| Early/Lower Sinemurian | Mexico (Hidalgo) | A. oppeli, A. sp., A. miserabile, A. ceratitoides (208368) | |
| Early/Lower Sinemurian | Luxembourg | A. oppeli, A. falcaries, A. sp., A. semicostatum (95991) | |
| Early/Lower Sinemurian | Argentina (Mendoza) | A. oppeli (181955) A. sp. (181954) | |
| Early/Lower Sinemurian | United Kingdom (Gloucestershire) | A. acuticarinatum, A. miserabile, A. ceratitoides (204153) A. hartmanni, A. transitionis (204155) A. kridion, Ammonites multicostatus (204156) A. semicostatum, A. ceratitoides (204154) | |
| Early/Lower Sinemurian | Mexico (Sonora) | A. arnouldi, A. humboldti (208240) A. densicosta, A. oppeli, A. miserabile (208242) A. miserabile (208243) A. sp. (208238) A. sp., A. arnouldi, A. humboldti (208239) | |
| Early/Lower Sinemurian | China (Guangdong) | A. sp., Arniotites sp., Psiloceras sp. (150444) | |
| Early/Lower Sinemurian | Canada (British Columbia) | A. angusticostatus, A. oppeli, A. miserabile, A. ceratitoides (198496) A. arnouldi (198437) A. ceratitoides (198434) A. miserabile, A. arnouldi (198432) A. miserabile, A. ceratitoides (198495) A. oppeli, A. miserabile (198431) A. sp. (53290 53362 53860 198436 198438) A. sp., A. miserabile (198429) A. sp., A. miserabile, A. speciosum (198430) A. sp., A. speciosum (198435) A. speciosum (198433 198444) Arniotites kwakiutlanus (53476) | |
| Early/Lower Sinemurian | Canada (Alberta) | A. sp. (53345) | |
| Early/Lower Sinemurian - Late/Upper Sinemurian | Mexico (Hidalgo) | A. ceratitoides (208369) A. kridioides (208370) | |
| Early/Lower Sinemurian - Late/Upper Sinemurian | Canada (British Columbia) | A. sp. (198440) A. sp., A. miserabile, A. ceratitoides (198441) A. speciosurn (198443) | |
| Late/Upper Sinemurian | Austria | A. rejectum (196516) | |
| Late/Upper Sinemurian | Canada (British Columbia) | A. arnouldi (198493) A. sp. (53548 53642) Melanhippites harbledownensis (53574) | |
| Late/Upper Sinemurian | Chile | A. miserabile, A. ceratitoides (209251) A. sp. (210180 210182) | |
| Late/Upper Sinemurian | Hungary (Veszprém Megye) | A. speciosum, A. arnouldi (78278) | |
| Obtusum | Ukraine (Crimea) | A. rejectum (230733) | |
| Obtusum | Hungary | A. rejectum (78797) | |
| Obtusum | Hungary (Veszprém Megye) | A. rejectum (78282) A. sp. (78209) | |
| Obtusum | China (Guangdong) | A. sp., A. robustum (7785) | |
| Obtusum | Austria | A. ceratitoides (189180) | |
| Obtusum | Tunisia | A. fieldingiceroides (170504) | |
| Obtusum - Raricostatum | Hungary (Veszprém Megye) | A. paucicostatum (78285) A. rejectum, A. arnouldi (78410) A. speciosum, A. rejectum, A. arnouldi (78211) | |
| Oxynotum - Raricostatum | Hungary (Veszprém Megye) | A. sp. (78407 78408) | |
| Semicostatum | United Kingdom (England) | A. pseudokridion (234340) A. spp. (33372) | |
| Semicostatum | USA (Alaska) | A. arnouldi (68732) A. sp. (68733 68734) | |
| Semicostatum | France | A. sp. (219987 219989) A. sp., A. miserabile (219983) | |
| Semicostatum | Tunisia | A. arnouldi (170502) | |
| Semicostatum | Austria | A. sp. (195015) | |
| Semicostatum - Obtusum | China (Guangdong) | A. ceratitoides (8056 8057) | |
| Semicostatum - Oxynotum | Hungary (Veszprém Megye) | A. semicostatum, A. miserabile, A. fieldingiceroides (81577) | |
| Semicostatum - Turneri | France | A. sp., A. miserabile (133792) | |
| Sinemurian | Italy | A. speciosum (40086) | |
| Sinemurian | USA (California) | A. sp. (38337) | |
| Sinemurian | Canada (British Columbia) | A. arnouldi (37496) A. oppeli (37499) | |
| Sinemurian | Chile (Huasco) | A. sp. (223237) | |
| Sinemurian | Mexico (Sonora) | A. sp., A. semicostatum (201186) | |
| Sinemurian | Ukraine (Crimea) | A. sp. (230736) | |
| Sinemurian | Chile | A. sp. (95096) | |
| Sinemurian | Algeria | A. semicostatum, A. miserabile (238710) | |
| Sinemurian | Indonesia (Timor) | A. ceratitoides (205678) | |
| Sinemurian | United Kingdom (Gloucestershire) | A. carenatum, A. obliquecostatum, A. nigrum, A. semicostatum, A. arnouldi (204152) A. nodulosum, A. hartmanni, A. dimorphum, A. semicostatum, A. speciosum, A. bodleyi, A. pseudoturneri (204151) A. semicostatoides (204149) A. semicostatoides, A. anageneticum, A. flavum, Eparnioceras sp. (204148) A. sp. (204150) | |
| Sinemurian | USA (Nevada) | A. arnouldi (201193) A. humboldti (201221) A. laevissimum, A. arnouldi (201196 201199) A. laevissimum, A. spp., A. arnouldi (201202 201204) A. laevissimum, A. spp., A. arnouldi, A. humboldti (201265 201266) A. laevissimum, A. spp., A. humboldti (201206 201209 201211 201213) A. sp., A. spp. (201260) A. sp., A. spp., A. arnouldi (201263) A. spp. (201228 201231 201234 201271) A. spp., A. arnouldi (201264) A. spp., A. arnouldi, A. humboldti (201267) A. spp., A. humboldti (201226 201269 201270) A. spp., A. semicostatum, A. humboldti (201268) | |
| Sinemurian | Austria | A. paucicostum (196515 196525 196527 196528 196529 196531 196532) | |
| Sinemurian | Canada (Yukon) | A. sp. (53114 53115 53164 53612) | |
| Sinemurian | United Kingdom (Skye) | A. acuticarinatum, A. angusticostatum, A. falcaries, A. spirale, A. repens, A. kridioides, A. bucklandi, A. ceratitoides, Epammonites arnouldi (219969) A. sp. (219968) | |
| Sinemurian | Switzerland | A. sp. (148848) | |
| Turneri | Canada (British Columbia) | A. humboldti (150618 150628) A. nevadanum (150630) A. sp., A. humboldti (150552) | |
| Turneri - Obtusum | Tunisia | A. fieldingiceroides (170503) | |
| Turneri - Obtusum | France | A. sp. (219990) | |
| Late/Upper Sinemurian - Early/Lower Pliensbachian | Türkiye | A. semilaeve (218660 218661) | |
| Late/Upper Sinemurian - Late/Upper Pliensbachian | Austria | A. sp., A. rejectum (218910) | |
| Semicostatum - Ibex | Hungary | A. paucicostatum, A. rejectum, A. ceratitoides (78688) | |
| Sinemurian - Pliensbachian | Austria | A. rejectum (218903) | |
| Pliensbachian | United Kingdom (England) | A. sp. (105605) |