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Trimerella Billings 1862

PaleoDB taxon number: 26599

Synonyms: Machaerocolella Li and Han 1980 (no. 26597), Prosoponella Li 1984 (no. 26598)

Parent taxon: Trimerellidae according to A. Williams et al. 2000

Sister taxa: Costitrimerella, Dinobolus, Eodinobolus, Fengzuella, Gasconsia, Gyroselenella, Monomerella, Obolellina, Ovidiella, Palaeotrimerella, Paradinobolus, Peritrimerella, Rhynobolus, Sinotrimerella, Yidurella

Subtaxa: none

Ecology: epifaunal suspension feeder