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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Metoicoceras gibbosum
Taxonomy
Metoicoceras gibbosum was named by Hyatt (1903).
Sister species lacking formal opinion data
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1903 | Metoicoceras gibbosum Hyatt p. 121 figs. Pl 15, figs 5-8 |
| 1927 | Barroisiceras trinodosum Moreman p. 212 figs. Pl 33, figs 1,2 |
| 1942 | Metoicoceras ornatum Moreman p. 211 figs. Pl 32, fig 4 |
| 1955 | Metoicoceras ornatum Reyment p. 47 figs. Pl 9, figs 6,7 |
| 1978 | Metoicoceras gibbosum Cooper p. 112 figs. 21A-C, 30 |
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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.
†Metoicoceras gibbosum Hyatt 1903
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Invalid names: Barroisiceras trinodosum Moreman 1927 [synonym], Metoicoceras ornatum Moreman 1942 [synonym]
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | |||||
|---|---|---|---|---|---|---|---|
| shell height | 1 | 51.0 | |||||
| shell diameter | 1 | 84.0 | |||||
| shell inflation | 1 | 7.00 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2003, Kiessling 2004 | |||||
Age range: Late/Upper Cenomanian or 100.50000 to 93.90000 Ma
Collections (3 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Cenomanian | Nigeria | Metoicoceras ornatum (82730) | |
| Late/Upper Cenomanian | Angola | Metoicoceras gibbosum (175545) | |
| Late/Upper Cenomanian | USA (Texas) | Metoicoceras ornatum (167821) |