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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Glottoceras
Taxonomy
Glottoceras was named by Hyatt (1875). It is not extant.
It was assigned to Ammonoidea by Bulot et al. (2005); and to Knemiceratidae by Bulot (2010).
It was assigned to Ammonoidea by Bulot et al. (2005); and to Knemiceratidae by Bulot (2010).
Synonymy list
| Year | Name and author |
|---|---|
| 1875 | Glottoceras Hyatt |
| 2005 | Glottoceras Bulot et al. |
| 2010 | Glottoceras Bulot |
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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. †Glottoceras Hyatt 1875
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†Glottoceras attenuatum Hyatt 1875
†Glottoceras crassicostatum Sommermeier 1910
†Glottoceras crassinodosum Sommermeier 1910
†Glottoceras gabbi Hyatt 1903
†Glottoceras laraense Renz 1970
†Glottoceras moorei Knechtel 1947
†Glottoceras ollonense Gabb 1877
†Glottoceras ovale Benavides-Caceres 1956
†Glottoceras raimondii Lisson 1908
†Glottoceras semicostatum Sommermeier 1910
†Glottoceras sommermeieri Knechtel 1947
†Glottoceras triangulare Benavides-Caceres 1956
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 17 | 39.0 | 24.0 | 64.0 | 36.5 | 13.2 | |
| shell diameter | 17 | 74.2 | 48.0 | 117.0 | 70.0 | 24.9 | |
| shell inflation | 17 | 10.2 | 6.00 | 23.0 | 10.0 | 5.04 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2003, Kiessling 2004 | |||||
Age range: base of the Early/Lower Albian to the top of the Late/Upper Albian or 113.20000 to 100.50000 Ma
Collections (13 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Albian | Peru | Knemiceras ollonense (158985) | |
| Early/Lower Albian | Peru (Cajamarca) | Knemiceras attenuatum (88170) Knemiceras gabbi (88171) Knemiceras ovale (88167) | |
| Albian | Peru | Knemiceras semicostatum, Knemiceras crassicostatum, Knemiceras crassinodosum, Knemiceras moorei, Knemiceras attenuatum (88673) | |
| Albian | Peru (Cajamarca) | Knemiceras raimondii, Knemiceras attenuatum (56984 56987) | |
| Middle Albian | Peru | Knemiceras gabbi, Knemiceras attenuatum (158987) Knemiceras ovale (88197) Knemiceras raimondii, Knemiceras attenuatum (158988) Knemiceras triangulare, Knemiceras raimondii, Knemiceras attenuatum (88190) | |
| Late/Upper Albian | Ecuador | G. moorei, G. sommermeieri, G. laraense (56768) | |
| Late/Upper Albian | Venezuela (Lara) | Knemiceras laraense (87953) |