†family Holmiidae HupĂ© 1953 (trilobite)

Trilobita - Redlichiida - Holmiidae

Parent taxon: Olenelloidea according to J. M. Adrain 2011

See also Ebbestad et al. 2003, Lieberman 1999, Palmer and Repina 1993 and Whittington et al. 1997

Sister taxa: Biceratopsidae, Laudoniidae, Olenellidae, Wanneriidae

Subtaxa: Andalusiana Callaviinae Cambropallas Elliptocephalus Esmeraldina Grandinasus Holmia Holmiella Holmiinae Iyouella Montezumaspis Palmettaspis

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Ecology: fast-moving low-level epifaunal deposit feeder

Distribution:

• Cambrian of Canada (7: Northwest Territories collections), Morocco (4), Norway (6), Poland (2), Sweden (1), United States (90: California, Nevada, Pennsylvania, Vermont)

Total: 110 collections including 159 occurrences

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