†Petalolithus ankyratus Mu and Li 1974 (graptolite)
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Pterobranchia - Graptoloidea - Retiolitidae
Belongs to Petalolithus according to M. J. Melchin et al. 2011
Sister taxa: Petalolithus folium, Petalolithus intermedius
Ecology: passively mobile planktonic suspension feeder
Distribution: found only at Cape Manning. 5-7 m (Ordovician of Nunavut)
Specimen images are retrieved through the ePANDDA API.
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