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Sphaerocoryphe longispina
Taxonomy
Sphaerocoryphe longispina was named by Tripp et al. (1997). Its type specimen is ROM 50745, a pygidium, and it is a 3D body fossil. Its type locality is Loc. 3. south side of road, 0.2 mile east of Strasburg Junction, which is in a Turinian carbonate limestone in the Edinburg Formation of Virginia.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1997 | Sphaerocoryphe longispina Tripp et al. pp. 773 - 774 figs. 1, 2P-2AA, 8C, 8F, 81, 120, 12P, 12R |
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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.
†Sphaerocoryphe longispina Tripp et al. 1997
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| R. P. Tripp et al. 1997 | Pygidium with span across tips of first free points 50-70% span of great spines; long, tapering, weakly divergent great spines, sagittal length of pygidium 20 - 30% the exsagittal length. Doublure of pygidium strongly embayed mesially . Palpebral lobe backwardly placed, palpebral furrow and sutural ridge strong. Profixigenal spine single. Prosopon of fixigena resembles that of frontal lobe. Librigena squat, strongly sigmoidal in outline. Hypostome short, with posterior margin convex forward. |