Asteroidea - Paxillosida - Pseudarchasteridae

Alternative combinations: Archastropecten portlandicus, Pentasteria (Archastropecten) portlandicus, Pentasteria (Pentasteria) portlandica, Pentasteria (Pentasteria) portlandicus, Pentasteria portlandica

Full reference: H. Hess. 1955. Die fossilien Astropectiniden (Asteroidea). Neue Beobachtungen und Übersicht über die bekannten Arten. Schweizerischen Paläontologischen Abhandlungen, Birkhaüser Verlag, Bassel 71:1-113

Belongs to Pseudarchaster according to L. Villier 2010

See also Blake 1986, Gale 2011, Gale 2020, Hess 1955, Hess 1960, Lewis 1993 and Roman et al. 1993

Sister taxa: Pseudarchaster discus, Pseudarchaster motutaraensis

Type specimen: Holotype BNHM E 13739

Distribution: found only at Asteroidea, Portlandian, Isle of Portland (Jurassic of the United Kingdom)

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Specimen images are retrieved through the ePANDDA API.