Oligobregma Kudenov & Blake 1978 ...
Genus Oligobregma Kudenov & Blake, 1978 Type-species: Pseudoscalibregma aciculatum Hartman, 1965, designated by Kudenov & Blake 1978. Diagnosis. Body elongate and arenicoliform. Prostomium T-shaped with two prominent frontal horns; eyes present or absent; nuchal organs present. Peristomium a...
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Zenodo
2015
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| Online Access: | https://dx.doi.org/10.5281/zenodo.6102460 https://zenodo.org/doi/10.5281/zenodo.6102460 |
| Summary: | Genus Oligobregma Kudenov & Blake, 1978 Type-species: Pseudoscalibregma aciculatum Hartman, 1965, designated by Kudenov & Blake 1978. Diagnosis. Body elongate and arenicoliform. Prostomium T-shaped with two prominent frontal horns; eyes present or absent; nuchal organs present. Peristomium achaetous, surrounding prostomium dorsally and forming upper and lower lips of mouth ventrally. Branchiae absent. Parapodia with well-developed dorsal and ventral cirri on posterior segments; interramal papilla present or absent. Large acicular spines present on anterior setigers. Capillaries present in all parapodia; lyrate setae present anterior to capillaries of setigers 2, 3, or 4; some species with short, slender, blunt or pointed spinous setae anterior to capillaries of setigers 1, 2 or 3, representing homologues of lyrate setae. Pygidium with anal cirri. Remarks. Oligobregma is one of four genera with dorsal and ventral cirri: Scalibregma (with branchiae and without large anterior acicular spines); ... : Published as part of Blake, James A., 2015, New species of Scalibregmatidae (Annelida, Polychaeta) from the East Antarctic Peninsula including a description of the ecology and post-larval development of species of Scalibregma and Oligobregma, pp. 57-93 in Zootaxa 4033 (1) on pages 79-80, DOI: 10.11646/zootaxa.4033.1.3, http://zenodo.org/record/289810 ... |
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