Pachydiscus (Pachydiscus) rogeri Marshall 1926 (ammonite)

Cephalopoda - Ammonitida - Pachydiscidae

Alternative combination: Parapachydiscus rogeri

Full reference: P. Marshall. 1926. The Upper Cretaceous ammonites of New Zealand. Transactions and Proceedings of the Royal Society of New Zealand 56:129-210

Belongs to Pachydiscus (Pachydiscus) according to R. A. Henderson 1970

See also Marshall 1926

Sister taxa: Pachydiscus (Pachydiscus) arkansanus, Pachydiscus (Pachydiscus) australis, Pachydiscus (Pachydiscus) awajiensis, Pachydiscus (Pachydiscus) cayeuxi, Pachydiscus (Pachydiscus) complanatus, Pachydiscus (Pachydiscus) dossantosi, Pachydiscus (Pachydiscus) duelmensis, Pachydiscus (Pachydiscus) egertoni, Pachydiscus (Pachydiscus) gutierrezi, Pachydiscus (Pachydiscus) haldemsis, Pachydiscus (Pachydiscus) hazzardi, Pachydiscus (Pachydiscus) jacquoti, Pachydiscus (Pachydiscus) jeani, Pachydiscus (Pachydiscus) kamishakensis, Pachydiscus (Pachydiscus) neubergicus, Pachydiscus (Pachydiscus) noetlingi, Pachydiscus (Pachydiscus) oldhami, Pachydiscus (Pachydiscus) ootacodensis, Pachydiscus (Pachydiscus) paulsoni, Pachydiscus (Pachydiscus) ultimus, Pachydiscus (Pachydiscus) yama

Type specimen: GNS CE.1020. Its type locality is N28/f626, Bull's Point, Kaipara Harbour, which is in a Piripauan/Haumurian marine horizon in the Otamatea Formation of New Zealand.

Ecology: fast-moving nektonic carnivore

Distribution: found only at N28/f626, Bull's Point, Kaipara Harbour

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