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Oidalagnostus Westergard 1946 (trilobite)

Trilobita - Agnostida - Diplagnostidae

PaleoDB taxon number: 19281

Synonym: Ovalagnostus Lu 1974 (taxon 230073)

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

Sister taxa: Acadagnostus, Agnostotes, Baltagnostus, Denagnostus, Diplagnostus, Iniospheniscus, Linguagnostus, Litagnostus, Machairagnostus, Nahannagnostus, Oedorhachis, Pseudagnostus, Xestagnostus

Subtaxa: Oidalagnostus changi, Oidalagnostus trispinifer

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Type: Oidalagnostus trispinifer

Ecology: slow-moving nektonic suspension feeder