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Claudeonychia babini
Taxonomy
Claudeonychia babini was named by Pojeta (1997). Its type specimen is USNM 46672, a shell (internal mold of whole shell), and it is a mold. Its type locality is Mount Auburn, Cincinnati, which is in a Maysvillian carbonate limestone in the Grant Lake Formation of Ohio. It is the type species of Claudeonychia.
Synonymy list
| Year | Name and author |
|---|---|
| 1997 | Claudeonychia babini Pojeta p. 436 figs. pI. 1 f. 8-12 |
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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.
†Claudeonychia babini Pojeta 1997
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| J., Jr. Pojeta 1997 | Claudeonychia having about 30 costae and with posterodorsal alation projecting as far as, or beyond, the posteroventral part of the shell.
Shell rectangular, possessing about 30 costae; angle gamma 75-80°; umbones rounded, not keeled, projecting only slightly above the dorsal margin; size large for genus; length equal to or greater than the so-called greatest dimension; greatest convexity of a single valve about 9 mm; byssal gape elongate and narrow, located just below beaks; byssal sinus shallow; ligamental space narrow. Posterior shell margin sshaped, posterodorsal alation projecting about as far as, or beyond, the posteroventral shell margin. Adductor, anterior byssal retractor, and posterior byssal-pedal retractor muscle scars known. Ligamental insertions and dentition unknown. |
Measurements
No measurements are available
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| Source: f = family, c = class | |||||
| References: Aberhan et al. 2004, Hendy 2009 | |||||
Age range: Maysvillian or 450.20000 to 449.60000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Maysvillian | USA (Ohio) | Claudeonychia babini (type locality: 155400) |