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Lytechinus baldwini
Taxonomy
Lytechinus baldwini was named by Linder et al. (1988). Its type specimen is UCMP 38203, a test, and it is a mold. Its type locality is Butte Creek [Abiqua Mbr, Scotts Mills Fm], which is in a Chattian shallow subtidal limestone in the Scotts Mills Formation of Oregon.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1988 | Lytechinus baldwini Linder et al. p. 950 figs. figs. 4.3-4.4 |
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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.
†Lytechinus baldwini Linder et al. 1988
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| R. A. Linder et al. 1988 | Test small, low hemispherical; ambulacral plates trigeminate with primary tubercles in a vertical row; secondary tubercles not in regular series; interambulacra with six rows of tubercles; only one vertical row of primaries, four vertical rows of secondaries, and a row of reduced abradial secondaries; con- spicuous wide naked median space along interradial suture above ambitus and similar but narrower less conspicuous area along perradial suture. |
Measurements
No measurements are available
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| Source: c = class, p = phylum | |||||
| References: Aberhan 1992, Kiessling 2004 | |||||