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Encrinurus trispinosus
Taxonomy
Encrinurus multisegmentatus trispinosus was named by Reed (1914) [Encrinurus multisegmentatus Reed 1906, p. 122, pi. 16, figs. 9-lla.].
It was recombined as Encrinurus trispinosus by Tripp (1957).
It was recombined as Encrinurus trispinosus by Tripp (1957).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1914 | Encrinurus multisegmentatus trispinosus Reed p. 39 figs. pl. 7, figs. 1- 3. |
| 1957 | Encrinurus trispinosus Tripp pp. 67 - 68 figs. Plate 11, 6gs. 15-19; Platc 12, figs. 11- 17 |
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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.
†Encrinurus trispinosus Reed 1914
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| R. P. Tripp 1957 | Glabella subpentagonal, modera te! y convex; frontal lobe about four-sevenths length of glabella. Tubercle formula: 1-0, 1; H-0, J, 2; (iü-0); Ili-0, 1, 2; iv-O; lVI, 2, 3; v-0; V- 1, 2, 3; vi-O; VI- l, 2, 3; (VII-O, 1, 2, 3). Fíxed cheeks coarsely tuberculate, with one large tubercle at the front. |