†Hirella gracilis Heintz 1939 (vertebrate)
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Osteostraci - Cephalaspidiformes - Ateleaspididae
Originally named Micraspis gracilis
Full reference: A. Heintz. 1939. Cephalaspida from Downtonian of Norway. Skrifter Utgitt av det Norske Videnskaps-. Akademi i Oslo. Matematisk-Naturvidenskapelig Klasse 5:1-167
Belongs to Hirella according to A. Heintz 1939
Sister taxon: Hirella denisoni
Ecology: planktonic suspension feeder
Distribution: found only at Nanahughmilleria norvegica-Ostracoderm Comm. at Rudstangen, Ringerike Dist. (Silurian of Norway)
Specimen images are retrieved through the ePANDDA API.
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