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Metalegoceras
Taxonomy
Metalegoceras was named by Schindewolf (1931) [Sepkoski's age data: P Asse P Sakm-u]. It is not extant. Its type is Paralegoceras evolutum.
It was assigned to Goniatitida by Sepkoski (2002); to Metalegoceratidae by Leonova (1989), Korn (2006); and to Metalegoceratinae by Leonova (2002), Furnish et al. (2009).
It was assigned to Goniatitida by Sepkoski (2002); to Metalegoceratidae by Leonova (1989), Korn (2006); and to Metalegoceratinae by Leonova (2002), Furnish et al. (2009).
Species
M. (Artimetalegoceras), M. (Metalegoceras), M. ajdaralense (syn. Dodecalegoceras sunidukiensis), M. arcticum, M. aricki, M. australe, M. baylorense, M. bosterense, M. crenatum, M. distale, M. evolutum, M. gerassimovi, M. hudsoni, M. kayi, M. klimovi, M. liratum, M. noinskyi, M. pamiricum, M. platyventrum, M. rotundatum, M. schucherti, M. shangraoense, M. shyndense, M. sogurense, M. spirale, M. striatum, M. sundaicum, M. toumanskayae, M. tschernyschewi, M. wanneri
Species lacking formal opinion data
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1931 | Metalegoceras Schindewolf |
| 1933 | Asianites Ruzhentsev |
| 1934 | Dodecalegoceras Voinova |
| 1982 | Parametalegoceras Bogoslovskaya |
| 1985 | Pseudometalegoceras Bogoslovskaya |
| 1989 | Metalegoceras Leonova p. 118 |
| 2002 | Metalegoceras Leonova |
| 2002 | Parametalegoceras Leonova |
| 2002 | Pseudometalegoceras Leonova |
| 2002 | Metalegoceras Sepkoski |
| 2006 | Metalegoceras Korn |
| 2006 | Parametalegoceras Korn |
| 2006 | Pseudometalegoceras Korn |
| 2009 | Metalegoceras Furnish et al. p. 174 |
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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. †Metalegoceras Schindewolf 1931
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Subg. †Metalegoceras (Artimetalegoceras) Boiko et al. 2008
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†Metalegoceras (Artimetalegoceras) clarkei Miller 1936
Subg. †Metalegoceras (Metalegoceras) Schindewolf 1931
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†Metalegoceras (Metalegoceras) ruzhencevi Boiko et al. 2008
†Metalegoceras ajdaralense Ruzhentsev 1933
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Invalid names: Dodecalegoceras sunidukiensis Voinova 1934 [synonym]
†Metalegoceras arcticum Bogoslovskaya 1982
†Metalegoceras aricki Plummer and Scott 1937
†Metalegoceras australe Smith 1927
†Metalegoceras baylorense White 1891
†Metalegoceras bosterense Leonova 1989
†Metalegoceras crenatum Nassichuk et al. 1965
†Metalegoceras distale Ruzhencev 1938
†Metalegoceras evolutum Haniel 1915
†Metalegoceras gerassimovi Ruzhencev 1951
†Metalegoceras hudsoni Miller and Furnish 1957
†Metalegoceras kayi Glenister et al. 1973
†Metalegoceras klimovi Ruzhentsev 1956
†Metalegoceras liratum Zhao and Zheng 1977
†Metalegoceras noinskyi Ruzhencev 1951
†Metalegoceras pamiricum Leonova 1989
†Metalegoceras platyventrum Zhao and Zheng 1977
†Metalegoceras rotundatum Ruzhentsev 1956
†Metalegoceras schucherti Miller and Furnish 1940
†Metalegoceras shangraoense Zhao and Zheng 1977
†Metalegoceras shyndense Leonova 1989
†Metalegoceras sogurense razumowskajae Voinova 1934
†Metalegoceras spirale Zhao and Zheng 1977
†Metalegoceras striatum Teichert 1942
†Metalegoceras sundaicum Haniel 1915
†Metalegoceras toumanskayae Leonova 1989
†Metalegoceras tschernyschewi Karpinsky 1889
†Metalegoceras wanneri Smith 1927
Invalid names: Asianites Ruzhentsev 1933 [synonym], Dodecalegoceras Voinova 1934 [synonym], Parametalegoceras Bogoslovskaya 1982 [synonym], Pseudometalegoceras Bogoslovskaya 1985 [synonym]
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 120 | 16.1 | 3.00 | 165.0 | 16.0 | 19.7 | |
| shell diameter | 120 | 48.2 | 10.7 | 400.0 | 46.0 | 49.4 | |
| shell inflation | 120 | 20.1 | 4.50 | 81.0 | 19.5 | 15.9 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2004, Kiessling 2003 | |||||
Collections (78 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Wolfcampian | USA (Texas) | M. sp. (211422) | |
| Sakmarian | Russian Federation | M. crenatum (103647) Parametalegoceras arcticum (88432) | |
| Sakmarian | Oman | M. hudsoni (109845) | |
| Sakmarian | USA (Texas) | M. aricki (128621) | |
| Sakmarian | Australia (Western Australia) | M. clarkei (113127) M. clarkei, M. striatum (85021) M. kayi (101207) M. n. sp. (108757) M. striatum (119105) | |
| Sakmarian | USA (New Mexico) | M. baylorense (39155) | |
| Sakmarian | Malaysia | M. sp. (82630) | |
| Sakmarian | Canada (Yukon) | M. crenatum (115714) | |
| Sakmarian - Artinskian | Timor-Leste | M. sundaicum (21163) Paralegoceras sundaicum (131171) | |
| Sakmarian - Artinskian | Indonesia | Paralegoceras sundaicum (130652 133124) | |
| Sakmarian - Artinskian | Indonesia (Timor) | Paralegoceras sundaicum (131192) | |
| Artinskian | Kazakhstan | M. sogurense, Asianites ajdaralensis (116791) M. sogurense, M. ajdaralense (116792) M. sogurense, M. klimovi, M. ajdaralense, M. tschernyschewi, M. evolutum (102148) M. sp. (125117) M. sp., M. rotundatum (125114) | |
| Artinskian | USA (New Mexico) | M. baylorense (113078) | |
| Artinskian | Canada (Nunavut) | M. crenatum (111866) | |
| Artinskian | Russian Federation | M. ajdaralense (116797) M. klimovi, M. ajdaralense, M. tschernyschewi, M. evolutum (116795) M. sogurense, M. ajdaralense (117788) M. sogurense, M. klimovi (116796) | |
| Artinskian | Tajikistan | M. shyndense (88897 130244) M. sp. (156578) M. toumanskayae (130247) M. toumanskayae, M. pamiricum (130237) | |
| Artinskian | Kazakhstan (Aqtobe) | M. ajdaralense, M. tschernyschewi (125130) | |
| Artinskian | Russian Federation (Orenburg) | M. sogurense, M. klimovi (116793) | |
| Artinskian | USA (Texas) | Goniatites baylorensis (108766) M. baylorense (128587) M. schucherti (43564 97275) M. sp. (43578) | |
| Artinskian | Russian Federation (Bashkortostan) | M. sp. (125123) M. tschernyschewi (125122) | |
| Artinskian - Kungurian | Indonesia | M. australe, M. wanneri (39614) M. gigas (61445) | |
| Kungurian | Tajikistan | M. bosterense (109839 111264 178024 178026 178038 178039 178048 178151 178152) M. shyndense (111372 111376 178037) M. shyndense, M. toumanskayae (111289 178130) M. shyndense, M. toumanskayae, M. pamiricum (111382 177983) M. shyndense, M. toumanskayae, M. pamiricum, M. bosterense (177979 177981) M. toumanskayae (111278 111386 177982 178027 178043 178132) M. toumanskayae, M. bosterense (111378) M. toumanskayae, M. pamiricum, M. bosterense (111283) | |
| Kungurian | USA (Texas) | M. schucherti (113200 113229) M. sp. (105575) | |
| Roadian | China (Xizang) | M. sp. (117564) | |
| Roadian - Wordian | Indonesia | M. sundaicum (43098) | |
| Wordian | China (Jiangxi) | M. spirale, M. platyventrum, M. liratum, M. shangraoense (87350) | |
| Wordian | China (Jilin) | M. sp. (107794) |