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Holdenia Cooper 1953 (trilobite)

Trilobita - Isocolidae

PaleoDB taxon number: 20558

Full reference: B. N. Cooper. 1953. Trilobites from the Lower Champlainian formations of the Appalachian Valley. Geological Society of America Memoir 55:1-69

Parent taxon: Isocolidae according to H. B. Whittington 1956

Sister taxa: Cyphoniscus, Hanzhongaspis, Isocolus, Liangshanocephalus, Pradesia, Pseudopetigurus, Thomondia, Thoralocolus, Tiresias

Subtaxa: Holdenia typa

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Type: Holdenia typa

Ecology: fast-moving low-level epifaunal carnivore