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Lithacoceras
Taxonomy
Lithacoceras was named by Hyatt (1900) [Sepkoski's age data: J Oxfo-m J Tith-u].
It was reranked as Virgatosphinctes (Lithacoceras) by Indians (1954).
It was assigned to Virgatosphinctes by Indians (1954); to Ammonoidea by Sepkoski (2002); to Ataxioceratidae by Parent et al. (2011); and to Lithacoceratinae by Salazar and Stinnesbeck (2016).
It was reranked as Virgatosphinctes (Lithacoceras) by Indians (1954).
It was assigned to Virgatosphinctes by Indians (1954); to Ammonoidea by Sepkoski (2002); to Ataxioceratidae by Parent et al. (2011); and to Lithacoceratinae by Salazar and Stinnesbeck (2016).
Species
Species lacking formal opinion data
L. abbachense, L. aeneas, L. albulum, L. ardescicum, L. evolutum, L. eystettense, L. faselterum, L. fructicans, L. geron, L. grandiplex, L. heidenheimensis, L. jelskii, L. kreutzi, L. larcheri, L. latumbilicata, L. lucingae, L. malonianum, L. mindowe, L. onukii, L. priscum, L. pubescens, L. rhodanicum, L. richei, L. riedense, L. steichenensis, L. submazuricum, L. subschilli, L. subulmense, L. supremum, L. thyrrhenum, L. torquatiforme, L. torquatiforme, L. tyrrhenum, L. ulmense, L. unicomptum
Synonymy list
| Year | Name and author |
|---|---|
| 1900 | Lithacoceras Hyatt p. 581 |
| 1954 | Virgatosphinctes (Lithacoceras) Indians |
| 2002 | Lithacoceras Sepkoski |
| 2011 | Lithacoceras Parent et al. |
| 2016 | Lithacoceras Salazar and Stinnesbeck p. 158 |
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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. †Lithacoceras Hyatt 1900
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Subg. †Lithacoceras (Lithacoceras) Howarth 1998
Subg. †Lithacoceras (Progeronia)
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Invalid names: Ammonites eupalus d'Orbigny 1850 [nomen oblitum]
Subg. †Lithacoceras (Subplanites) Dacque 1910
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†Lithacoceras (Subplanites) mombassanum Dacque 1910
Subg. †Lithacoceras (Virgalithacoceras) Oloriz 1978
†Lithacoceras malarguense Spath 1931
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Invalid names: Lithacoceras (Virgalithacoceras) acricostatum Ohmert and Zeiss 1980 [synonym], Substeueroceras durangoensis Munoz 1964 [synonym], Virgatosphinctes guadalupensis Imlay 1943 [synonym]
†Lithacoceras mombassanum Dacqué 1910
†Lithacoceras sigali Collignon 1959
†Lithacoceras soucadeauxi Collignon 1959
†Lithacoceras ulmensis Oppel 1858
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | |||||
|---|---|---|---|---|---|---|---|
| shell height | 1 | 10.5 | |||||
| shell diameter | 1 | 27.9 | |||||
| shell inflation | 1 | 11.7 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2004, Kiessling 2003 | |||||
Age range: base of the Late/Upper Oxfordian to the top of the Early/Lower Tithonian or 157.90000 to 145.06000 Ma
Collections (52 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Middle Oxfordian | France | L. larcheri, L. subschilli, L. mindowe, L. kreutzi, L. richei, L. lucingae, L. jelskii, L. aeneas (12291 12292) L. latumbilicata (12293) | |
| Oxfordian | Spain | L. richei (67867) L. richei, L. sp. (67866) | |
| Oxfordian | Madagascar | L. thyrrhenum (98213) | |
| Oxfordian - Early/Lower Kimmeridgian | Somalia | L. sp., L. sp. (100372) | |
| Oxfordian - Kimmeridgian | Russian Federation | L. sp. (213006) | |
| Late/Upper Oxfordian | Madagascar (Atsimo-Andrefana) | L. torquatiforme (234266) L. tyrrhenum (234238) | |
| Late/Upper Oxfordian | France | L. grandiplex (12307) L. heidenheimensis (12306) L. steichenensis, L. evolutum (12304) | |
| Early/Lower Kimmeridgian | Romania | Progeronia breviceps, Progeronia metamorpha (198350) Progeronia progeron, Progeronia triplex (198349) Progeronia simplex (198351) Progeronia unicompta, Progeronia metamorpha (198353) | |
| Early/Lower Kimmeridgian | USA (Texas) | L. malonianum (69010) | |
| Early/Lower Kimmeridgian | Switzerland (Jura) | Progeronia sp. (185666) | |
| Early/Lower Kimmeridgian | Madagascar | L. soucadeauxi (234291) | |
| Early/Lower Kimmeridgian | Saudi Arabia | L. sp. (184583) | |
| Kimmeridgian | Hungary | Progeronia sp. (154739) | |
| Kimmeridgian | Algeria | Progeronia breviceps (45062 45064 45066 45071 45073) | |
| Kimmeridgian | Madagascar | L. submazuricum, L. sigali (234268) | |
| Kimmeridgian - Tithonian | Yemen (Wadi Hajar) | L. mombassanum (2574) | |
| Late/Upper Kimmeridgian | Romania | L. ulmense (198384) Progeronia ernesti (198370 198371) Virgalithacoceras tantalus (198313 198337) | |
| Late/Upper Kimmeridgian | Germany (Baden-Württemberg) | L. faselterum, L. onukii, L. ulmense (154138) | |
| Tithonian - Kimmeridgian | Yemen (Wadi Hajar) | L. mombassanum (2571) L. sp., L. mombassanum (2617) L. ulmense, L. mombassanum (2544 2569) | |
| Early/Lower Tithonian | Germany (Bayern) | L. abbachense, L. eystettense, L. fructicans, L. priscum, L. pubescens, L. riedense, L. subulmense, L. supremum, L. ulmense (13412) L. eystettense, L. supremum, L. ulmense (13414) | |
| Early/Lower Tithonian | Germany | L. albulum, L. eystettense, L. supremum, L. ulmense (13413) L. riedense (193290) | |
| Early/Lower Tithonian | Antarctica (Antarctic Peninsula) | L. sp. (10697) | |
| Early/Lower Tithonian | Romania | L. ulmense (198387) | |
| Early/Lower Tithonian | Germany (Baden-Wurttemberg) | L. ulmense (23887) | |
| Early/Lower Tithonian | France (Midi-Pyrenees) | L. ulmensis (94549) | |
| Middle Tithonian | Chile | L. malarguense (175925 175931) | |
| Tithonian | Canada (British Columbia) | L. sp., L. sp. (114691) | |
| Tithonian | Cuba | L. sp. (57717) | |
| Tithonian | Spain | L. geron, L. ardescicum, L. rhodanicum, L. unicomptum (235585) |