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Eochonetes mucronata
Taxonomy
Thaerodonta mucronata was named by Howe (1965). Its type specimen is USNM 145035, a shell, and it is a 3D body fossil. Its type locality is Section H-2 (Helms West Well). Bed 09. Hueco Mountains, west-facing escarpment, which is in a Maysvillian carbonate limestone in the Aleman Formation of Texas.
It was recombined as Eochonetes mucronata by Bauer and Stigall (2016).
It was recombined as Eochonetes mucronata by Bauer and Stigall (2016).
Subspecies
Synonymy list
| Year | Name and author |
|---|---|
| 1965 | Thaerodonta mucronata Howe p. 648 figs. P1. 81, figs., 18-24. |
| 2016 | Eochonetes mucronata Bauer and Stigall p. 906 fig. 8.12–8.14 |
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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.
†Eochonetes mucronata Howe 1965
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†Thaerodonta mucronata scabra Howe 1965
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| J. E. Bauer and A. L. Stigall 2016 | Cardinal extremities very acute, mucronate; anterior margin truncate to gently rounded. Exterior roughly lamellose on some specimens. Two accessory teeth (ventral valve) with corresponding sockets (dorsal valve) nearly equal in size to primary teeth; denticles/fossettes numerous (15+), beginnng after accessory teeth, terminating prior to cardinal extremity tip. Teeth curving slightly toward cardinal extremities. Dorsal adductor muscle scars subcircular, persisting for most of shell length, divided by strongly elevated lateral ridges. |
Measurements
No measurements are available
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| Source: g = genus, o = order, c = class, p = phylum, uc = unranked clade | |||||
| References: Aberhan et al. 2004, Hendy 2009, Nesnidal et al. 2013 | |||||
Age range: base of the Maysvillian to the top of the Richmondian or 450.20000 to 445.50000 Ma
Collections (3 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Maysvillian | USA (Texas) | Thaerodonta mucronata (type locality: 165324) | |
| Richmondian | USA (Texas) | Thaerodonta mucronata (165279 165281) |