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Encrinurus spicatus
Taxonomy
Encrinurus spicatus was named by Tripp (1974). Its type specimen is USNM 164151, a cephalon/head (cranidium), and it is a 3D body fossil.
It was recombined as Encrinuroides spicatus by Desbiens and Lespérance (1989); it was recombined as Erratencrinurus spicatus by Moss and Westrop (2014).
It was recombined as Encrinuroides spicatus by Desbiens and Lespérance (1989); it was recombined as Erratencrinurus spicatus by Moss and Westrop (2014).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1974 | Encrinurus spicatus Tripp pp. 485 - 487 figs. P1. 1, figures 1-8 |
| 1989 | Encrinuroides spicatus Desbiens and Lespérance figs. 2Q-2S |
| 2014 | Erratencrinurus spicatus Moss and Westrop pp. 1113, table 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.
†Encrinurus spicatus Tripp 1974
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| R. P. Tripp 1974 | Glabella relatively narrow anteriorly, strongly, convex; frontal lobe about half length of glabella, with relatively few tubercles. Tubercle formula: I-1; II-111-1,2,3; (iv-0); IV-1,2,(3); V-1,2. False preglabellar field marked off posteriorly by a shallow furrow. Pygidium with six pairs of pleurae. |