Pelonomia Cooper 1965
Genus Pelonomia Cooper, 1965 Type species. – Orthis delicatula Billings, 1865; by original designation; Middle Ordovician, Darriwilian; Newfoundland. Diagnosis emended. low planoconvex; parvicostellate; small interareas with rudimentary pseudodeltidium but larger chilidium; short dental plates poste...
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Zenodo
2011
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Online Access: | https://dx.doi.org/10.5281/zenodo.5243729 https://zenodo.org/record/5243729 |