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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Format: | Text |
Language: | unknown |
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Zenodo
2011
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Online Access: | https://dx.doi.org/10.5281/zenodo.5243728 https://zenodo.org/record/5243728 |
Summary: | 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 posterolaterally bounding small ventral muscle field; small cardinal process; bladelike socket ridges; median ridge absent but larger pseudopunctae sometimes developed along midline; distinct pustules ordered in concentric and radial rows outside muscle field. Species included. Orthis delicatula Billings, 1865; Pelonomia ? sp. Benedetto in Benedetto & Cech, 2006; Pelonomia sulcata sp. nov. : Published as part of Hansen, Jesper & Holmer, Lars E., 2011, Taxonomy and biostratigraphy of Ordovician brachiopods from northeastern Ny Friesland, Spitsbergen 3076, pp. 1-122 in Zootaxa 3076 (1) on page 84, DOI: 10.11646/zootaxa.3076.1.1, http://zenodo.org/record/5243500 : {"references": ["Benedetto, J. L. & Cech, N. (2006) An outer-ramp brachiopod assemblage from the uppermost San Juan Formation (middle Arenig), northern Argentina Precordillera: paleoecologic and biogeographic implications. Ameghiniana, 43 (1), 27 - 44."]} |
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