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Mallagnostus Howell 1935 (trilobite)

Trilobita - Agnostida - Weymouthiidae

PaleoDB taxon number: 19267

Synonym: Ladadiscus Pokrovskaya 1959 (taxon 124890)

Parent taxon: Weymouthiidae according to H. B. Whittington et al. 1997

Sister taxa: Abakolia, Acidiscus, Acimetopus, Analox, Bathydiscus, Bolboparia, Cobboldites, Leptochilodiscus, Morocconus, Runcinodiscus, Serrodiscus, Tannudiscus, Weymouthia

Subtaxa: none

Ecology: slow-moving nektonic suspension feeder