Basic info | Taxonomic history | Classification | Included Taxa |
Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Guexiceras
Taxonomy
Guexiceras was named by Taylor (1998).
It was reranked as Coroniceras (Guexiceras) by Howarth (2013).
It was assigned to Arietitinae by Taylor (1998); and to Coroniceras by Howarth (2013).
It was reranked as Coroniceras (Guexiceras) by Howarth (2013).
It was assigned to Arietitinae by Taylor (1998); and to Coroniceras by Howarth (2013).
Species
Synonymy list
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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.
Diagnosis
No diagnoses are available
Measurements
part | N | mean | |||||
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shell height | 1 | 28.7 | |||||
shell diameter | 1 | 74.0 | |||||
shell inflation | 1 | 25.4 |
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Source: o = order, c = class | |||||
References: Kiessling 2003, Kiessling 2004 |
Age range: Semicostatum or 199.50000 to 192.90000 Ma
Collections: one only
Time interval | Ma | Country or state | Original ID and collection number |
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Semicostatum | USA (Nevada) | G. profundus (157510) |