Phillipsia Portlock 1843 (trilobite)

Artiopoda - Proetida - Phillipsiidae

Full reference: J. E. Portlock. 1843. Report on the Geology of the County of Londonderry and of parts of Tyrone and Fermanagh 1-784

Parent taxon: Phillipsiinae according to D. K. Brezinski 2025

See also Brezinski 2017, Campbell and Engel 1963, Jell and Adrain 2002 and Sepkoski 2002

Sister taxa: Ameropiltonia, Breviphillipsia, Elliptophillipsia, Eocyphinium, Erdbachaspis, Piltonia

Subtaxa: Phillipsia aequalis Phillipsia aliensis Phillipsia belgica Phillipsia bittneri Phillipsia coronata Phillipsia derbyensis Phillipsia dubia Phillipsia gemmulifera Phillipsia kellyi Phillipsia kojensis Phillipsia mucronata Phillipsia najensis Phillipsia ornata Phillipsia peroccidens Phillipsia proetoides

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Type: Phillipsia kellyi

Ecology: fast-moving low-level epifaunal deposit feeder

Distribution:

• Permian of Indonesia (1 collection), Laos (1), Ukraine (2), United States (2: Alaska, Nevada)

• Carboniferous to Permian of Laos (1)

• Carboniferous of Australia (2), Belgium (8), Bosnia and Herzegovina (1), Canada (1: Yukon), India (2), Ireland (3), the United Kingdom (11), United States (16: Alaska, Indiana, Kentucky, Missouri, Montana, Nevada, New Mexico, Oklahoma, Utah, Virginia)

• Ordovician of Sweden (8)

Total: 59 collections including 67 occurrences

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