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Amoeboceras (Amoebites)
Taxonomy
Amoebites was named as a genus. It is not extant.
It was reranked as Amoeboceras (Amoebites) by Imlay (1961), Mesezhnikov (1984) and Schlegelmilch (1994).
It was assigned to Cardioceratinae by Arkell et al. (1957); to Amoeboceras by Imlay (1961), Mesezhnikov (1984) and Schlegelmilch (1994); and to Ammonoidea by Sepkoski (2002).
It was reranked as Amoeboceras (Amoebites) by Imlay (1961), Mesezhnikov (1984) and Schlegelmilch (1994).
It was assigned to Cardioceratinae by Arkell et al. (1957); to Amoeboceras by Imlay (1961), Mesezhnikov (1984) and Schlegelmilch (1994); and to Ammonoidea by Sepkoski (2002).
Subtaxa
Amoeboceras (Amoebites) alticarinatum, Amoeboceras (Amoebites) bauhini, Amoeboceras (Amoebites) dubium, Amoeboceras (Amoebites) elegans, Amoeboceras (Amoebites) kitchini (syn. Amoeboceras (Amoebites) irregulare, Amoebites acanthophorus), Amoeboceras (Amoebites) lineatum, Amoeboceras (Amoebites) mesezhnikovi, Amoeboceras (Amoebites) pinguiforme, Amoeboceras (Amoebites) postacanthophorum, Amoeboceras (Amoebites) pulchrum, Amoeboceras (Amoebites) quadratolineatum, Amoeboceras (Amoebites) salfeldi, Amoeboceras (Amoebites) spathi, Amoeboceras (Amoebites) subkitchini
Species lacking formal opinion data
Amoebites kapffi, Amoeboceras cricki, Amoeboceras damoni, Amoeboceras freboldi, Amoeboceras glosense, Amoeboceras kitschini, Amoeboceras kochi, Amoeboceras koldeweyense, Amoeboceras nathorsti, Amoeboceras pingueforme, Amoeboceras reclinatoalternans, Amoeboceras regulare, Amoeboceras schulginae, Amoeboceras serratum, Amoeboceras talbejense, Amoeboceras truculentum, Amoeboceras tuberculatoalternans, Cardioceras alternoides
Synonymy list
| Year | Name and author |
|---|---|
| 1957 | Amoebites Arkell et al. p. 306 |
| 1961 | Amoeboceras (Amoebites) Imlay pp. D-22 |
| 1984 | Amoeboceras (Amoebites) Mesezhnikov p. 84 |
| 1994 | Amoeboceras (Amoebites) Schlegelmilch p. 31 |
| 2002 | Amoebites Sepkoski |
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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.
Subg. †Amoeboceras (Amoebites)
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†Amoeboceras (Amoebites) alticarinatum Mesezhnikov and Romm 1973
†Amoeboceras (Amoebites) bauhini Oppel 1863
†Amoeboceras (Amoebites) dubium Hyatt 1894
†Amoeboceras (Amoebites) elegans Spath 1935
†Amoeboceras (Amoebites) kitchini Salfeld 1915
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Invalid names: Amoebites acanthophorus Buckman 1925 [synonym], Amoeboceras (Amoebites) irregulare Spath 1935 [synonym]
†Amoeboceras (Amoebites) lineatum Quenstedt 1887
†Amoeboceras (Amoebites) mesezhnikovi Sykes and Surlyk 1975
†Amoeboceras (Amoebites) pinguiforme Mesezhnikov 1969
†Amoeboceras (Amoebites) postacanthophorum Mesezhnikov 1984
†Amoeboceras (Amoebites) pulchrum Mesezhnikov and Romm 1973
†Amoeboceras (Amoebites) quadratolineatum Salfeld 1915
†Amoeboceras (Amoebites) salfeldi Spath 1935
†Amoeboceras (Amoebites) spathi Schulgina 1960
†Amoeboceras (Amoebites) subkitchini Spath 1935
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 5 | 16.6 | 8.00 | 39.9 | 17.8 | 12.4 | |
| shell diameter | 5 | 45.7 | 24.0 | 105.0 | 54.0 | 32.5 | |
| shell inflation | 5 | 14.3 | 7.00 | 31.5 | 17.8 | 10.3 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2004, Kiessling 2003 | |||||
Age range: base of the Late/Upper Kimmeridgian to the top of the Kimmeridgian or 155.70000 to 152.10000 Ma
Collections (42 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Oxfordian - Kimmeridgian | Svalbard and Jan Mayen | Amoeboceras kitchini (212493) | |
| Late/Upper Oxfordian - Early/Lower Kimmeridgian | USA (California) | Amoeboceras dubium (192834) | |
| Kimmeridgian | Svalbard and Jan Mayen | Amoeboceras kitchini (212945 212976) Amoeboceras kitschini (212800) Amoeboceras salfeldi (212492) Amoeboceras sp., Amoeboceras elegans (212799) Cardioceras kitchini (212014 212015 212016 212017 212018 213103) | |
| Kimmeridgian | Russian Federation | Amoebites bayi (190560) Amoebites bayi, Amoebites ernesti (190538) Amoebites bayi, Amoebites sp. (190540) | |
| Kimmeridgian - Early/Lower Kimmeridgian | Russian Federation | Amoebites peregrinator, Amoebites kapffi, Amoebites sp. (191017) Amoebites sp. (191018) | |
| Early/Lower Kimmeridgian | Russian Federation (Siberia) | Amoeboceras kitchini (58775) Amoeboceras kitchini, Amoeboceras spathi (58774) | |
| Early/Lower Kimmeridgian | Russian Federation (Krasnoyarsk) | Amoeboceras pinguiforme (164298) Amoeboceras salfeldi, Amoeboceras pulchrum, Amoeboceras spathi (163992) Amoeboceras salfeldi, Amoeboceras spathi (163993) Amoeboceras salfeldi, Amoeboceras subkitchini (163994) Amoeboceras spathi (164300) Amoeboceras subkitchini (163995) Amoeboceras subkitchini, Amoeboceras alticarinatum, Amoeboceras pulchrum (163996) Amoeboceras subkitchini, Amoeboceras kitchini (163997) | |
| Early/Lower Kimmeridgian | Russian Federation | Amoebites kitchini (190891 190892) Amoebites sp. (58845 58846 191019) Amoeboceras kitchini (58837 58840) | |
| Early/Lower Kimmeridgian | Svalbard and Jan Mayen | Cardioceras kitchini (211832) | |
| Late/Upper Kimmeridgian | Russian Federation (Khanty-Mansi Autonomous Okrug) | Amoeboceras kitchini (58779) Amoeboceras postacanthophorum (164005) Amoeboceras uralensis, Amoeboceras kitchini (58780) | |
| Late/Upper Kimmeridgian | Russian Federation (Komi) | Amoeboceras postacanthophorum (164004) | |
| Late/Upper Kimmeridgian | Russian Federation (Krasnoyarsk) | Amoeboceras elegans (164304) Amoeboceras kitchini (164301) |