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Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Levisoceras contractum
Taxonomy
Levisoceras contractum was named by Flower (1964). It is not extant. Its type specimen is RHF 245, a shell. Its type locality is Threadgill Creek section (272-276 ft above base of Threadgill Mbr.), which is in a Gasconadian shallow subtidal lime mudstone in the Tanyard Formation of Texas.
Synonymy list
Year | Name and author |
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1964 | Levisoceras contractum Flower p. 66 figs. 4 Pl. 11 |
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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.
†Levisoceras contractum Flower 1964
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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Source: o = order, c = class | |||||
References: Aberhan et al. 2004, Kiessling 2004 |
Age range: Gasconadian or 485.40000 to 477.70000 Ma
Collections: one only
Time interval | Ma | Country or state | Original ID and collection number |
---|---|---|---|
Gasconadian | USA (Texas) | Levisoceras contractum (type locality: 88805) |