Cenogenus Chamberlin, 1919
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https://doi.org/10.5281/zenodo.174245 |
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https://doi.org/10.5281/zenodo.5662241 |
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https://treatment.plazi.org/id/B8344E24-654A-FFD4-FED2-FBE5FC98E210 |
treatment provided by |
Plazi (2016-04-04 17:51:00, last updated 2024-11-29 15:18:04) |
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Cenogenus Chamberlin, 1919 |
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Cenogenus Chamberlin, 1919 View in CoL , emended Carrera-Parra, 2001
Type species. Cenogenus descendens Chamberlin, 1919
Diagnosis. Prostomium with one antenna, without eyes; notopodia slightly developed; branchiae associated to anterior parapodia; simple multidentate hooded hooks present; pygidium with anal cirri; maxillary apparatus with four pairs of maxillae, carriers as long as MI, joined to entire base of MI; MI forceps-like without internal accessory teeth, with attachment lamella; MII as long as MI, with ligament, attachment lamella wide along 1/2 of posterior lateral edge; without connecting plates; MIII completely pigmented, attachment lamella wide along entire lateral edge; MIV completely pigmented, attachment lamella wide. Mandible fused up to 3/4 of its length.
Chamberlin, R. V. (1919) The Annelida Polychaeta. Memoirs of the Museum of Comparative Zoology at Harvard College, 48, 1 - 514.
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