Basic info | Taxonomic history | Classification | Included Taxa |
Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Trigonostoma biplicifera
Taxonomy
Cancellaria biplicifera was named by Conrad (1841).
It was recombined as Cancellaria (Trigonostoma) biplicifera by Martin (1904); it was recombined as Trigonostoma biplicifera by Ward (1998).
It was recombined as Cancellaria (Trigonostoma) biplicifera by Martin (1904); it was recombined as Trigonostoma biplicifera by Ward (1998).
Sister species lacking formal opinion data
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.
†Trigonostoma biplicifera Conrad 1841
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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Source: f = family, c = class | |||||
References: Hendy et al. 2009, Kiessling 2004 |
Age range: Burdigalian or 20.44000 to 15.97000 Ma
Collections: one only
Time interval | Ma | Country or state | Original ID and collection number |
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Burdigalian | USA (Delaware) | Trigonostoma biplicifera (18579) |