†Aphyctoceras annulatum Barrande 1865 (mollusk)
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Alternative combination: Gyroceras annulatum
Synonym: Ptenoceras annulatum Chlupác 1957
Belongs to Aphyctoceras according to S. Manda and V. Turek 2009
Sister taxa: none
Ecology: fast-moving nektobenthic carnivore
Distribution: found only at Černá rokle (Black gorge) below Kosoř near Praha-Radotin (Devonian of Czech Republic)
Specimen images are retrieved through the ePANDDA API.
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