Acernaspis (Eskaspis) Clarkson et al. 1977 (trilobite)

Trilobita - Phacopida - Phacopidae

Full reference: E. N. K. Clarkson, N. Eldredge, and J.-L. Henry. 1977. Some Phacopina (Trilobita) from the Silurian of Scotland. Palaeontology 20(1):119-142

Parent taxon: Acernaspis according to E. N. K. Clarkson et al. 1977

Sister taxa: Acernaspis copperi, Acernaspis orestes, Acernaspis superciliexcelsis, Acernaspis xynon

Subtaxa: Acernaspis (Eskaspis) sufferta Acernaspis (Eskaspis) woodburnensis

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Type: Eophacops sufferta

Ecology: fast-moving low-level epifaunal carnivore

Distribution:

• Silurian of the United Kingdom (9 collections)

• Ordovician to Silurian of Canada (1: Québec), the Russian Federation (1)

Total: 11 collections each including a single occurrence

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