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Camerella minuta
Taxonomy
Camerella minuta was named by Cooper (1956). Its type specimen is USNM 117138a, a valve (pedicle valve), and it is a 3D body fossil.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1956 | Camerella minuta Cooper pp. 571 - 572 figs. Plate 113, C, figures 10-19 |
| 1962 | Camerella minuta Williams p. 226 figs. P1. XIX, figs. 27-29 |
| 2014 | Camerella minuta Candela and Harper pp. Supplement 1 |
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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.
†Camerella minuta Cooper 1956
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| G. A. Cooper 1956 | Shell small for the genus, subpentagonal in outline with the length and width about equal. Beak angle slightly less than 90°. Posterolateral margins straight; lateral margins narrowly rounded with the greatest width located at about the middle. Anterior margin gently rounded. Surface costate in the anterior half, 2 costae in the sulcus, 3 on the fold, and 3 or 4 on the flanks. Costae thick, rounded.
Pedicle valve gently convex in lateral profile with the maximum convexity about one-third the length from the beak ; anterior portion somewhat flattened. Posterior half somewhat swollen ; sulcus originating about 2^ mm. anterior to the beak at about the middle of the valve, widening anteriorly to occupy slightly more than half the width at the front margin. Sulcus shallow, abruptly bent toward the brachial valve to form a short, blunt tongue. Costae bounding sulcus strongly subangular and prominent. Flanks slightly convex with moderately steep slopes. Median septum reaching nearly to the middle of the valve. Brachial valve moderately convex in lateral profile with the unbonal region the most convex part. Anterior profile a narrowly rounded arch. Fold originating at about the middle, moderately elevated anteriorly with rounded depressed flanks, steep lateral slopes. | |
| A. Williams 1962 | mSubpentagonal, unequally biconvex Camerella over one-half as deep as wide with the shallower pedicle valve about nine-tenths as long as wide; dorsal fold low and about three-fifths the width of the adult brachial valve at the anterior margin, originating at about 3.5 mm. anterior of the umbo and splitting into 3 equal and rounded costae with a complementary pair in the shallow ventral sulcus, which is bounded by a pair of subangular costae each flanked laterally by a low, obtusely rounded costa; septal supports to both spondylium and cruralium long, extending anteriorly for slightly less than onehalf the length of the pedicle and brachial valves respectively. |
Measurements
No measurements are available
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| Source: g = genus, o = order, c = class, p = phylum, uc = unranked clade | |||||
| References: Hendy 2009, Aberhan et al. 2004, Nesnidal et al. 2013 | |||||