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Lytoceras francisci
Taxonomy
Ammonites francisci was named by Oppel (1865).
It was recombined as Lytoceras francisci by Kovács (2011).
It was recombined as Lytoceras francisci by Kovács (2011).
Sister species lacking formal opinion data
L. altum, L. ceratophagum, L. cornucopiae, L. densifibriatum, L. densifimbriatum, L. densifimbriatus, L. dilucidum, L. fibriatum, L. hircinum, L. ktenasi, L. mahafalense, L. onychograptum, L. ophioneum, L. orsini, L. penicillatum, L. phaestus, L. polyanchomenum, L. polycyclum, L. porlaeve, L. puezanum, L. raricinctum, L. sauclum, L. strambergense, L. subescens, L. taharoense, L. taharosense, L. torulosum, L. cinctum, L. varagurense, L. annibal
Synonymy list
| Year | Name and author |
|---|---|
| 1865 | Ammonites francisci Oppel p. 551 |
| 2011 | Lytoceras francisci Kovács p. 14 figs. Pl 3, figs 1,2,4 |
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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.
†Lytoceras francisci Oppel 1865
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| height | 2 | 52.0 | 36.0 | 75.0 | 55.5 | 27.6 | |
| diameter | 2 | 124.4 | 86.0 | 180.0 | 133.0 | 66.5 | |
| inflation | 2 | 41.0 | 28.0 | 60.0 | 44.0 | 22.6 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2003, Kiessling 2004 | |||||
Age range: base of the Falciferum to the top of the Thouarsense or 184.20000 to 174.70000 Ma
Collections (13 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Falciferum | Italy | Lytoceras francisci (145308 145313 145315 145319 147074) | |
| Falciferum | Hungary | Lytoceras francisci (148233 148258 148259 148265) | |
| Bifrons | Hungary | Lytoceras francisci (147242) | |
| Middle Toarcian - Late/Upper Toarcian | Morocco (Taza-Al Hoceima-Taounate) | Lytoceras francisci (234054) | |
| Thouarsense | Hungary | Lytoceras francisci (147228 147229) |