†Exigua Howell 1937 (trilobite)
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Trilobita - Ptychopariida - Plethopeltidae
Synonym: Brassicicephalus Lochmann 1940
Parent taxon: Plethopeltidae according to P. A. Jell and J. M. Adrain 2002
See also Sepkoski 2002
Sister taxa: Arapahoia, Koldinia, Koldiniella, Kuljumbina, Leiocoryphe, Meniscocoryphe, Notaiella, Plethopeltides, Plethopeltis, Plethopeltoides, Poriplethopeltis, Pseudokoldinella, Samgonus, Semicyclocephalus, Stenopilus, Strotocephala, Tolstotchichaspis
Subtaxa: none
Ecology: fast-moving low-level epifaunal carnivore
Distribution:
• Cambrian of Greenland (4 collections), United States (2: Utah, Vermont)
Total: 6 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
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