Orbiniella Day 1954 ...

• Main Authors: Meca, Miguel A., Kongsrud, Jon Anders, Kongshavn, Katrine, Alvestad, Tom, Meißner, Karin, Budaeva, Nataliya
• Format: Text
• Language: unknown
• Published: Zenodo 2024
• Subjects: Biodiversity; Taxonomy; Animalia; Annelida; Polychaeta; Orbiniida; Orbiniidae; Orbiniella; North Atlantic
• Online Access: https://dx.doi.org/10.5281/zenodo.12190919; https://zenodo.org/doi/10.5281/zenodo.12190919

Orbiniella Day, 1954 Falklandiella Hartman, 1967: 109. Fide Parapar et al. 2015: 333. Orbiniella – Parapar et al. 2015: 333; Blake 2017: 109; Blake 2020: 38; Blake 2021: 99. Type species. Orbiniella minuta Day, 1954, by monotypy. Diagnosis (emended from Blake 2021). Body usually elongated, not divided into thorax and abdomen. In some species segmental size can change gradually between anterior and posterior body. Prostomium broad or elongate with rounded anterior margin. One pair of nuchal organs usually present, sometimes pigmented. Eyes present or absent. Peristomium usually bearing two segments. Secondary annulation present with segments being uniannulate, biannulate, triannulate, or quadriannulate. Parapodia biramous with only simple postchaetal lobes, or these entirely absent. Capillary noto- and neurochaetae always crenulated or weakly crenulated with pointed tips; prominent acicular spines present in neuropodia and, usually, also in notopodia; furcate chaetae absent. Branchiae absent. Pygidium with ... : Published as part of Meca, Miguel A., Kongsrud, Jon Anders, Kongshavn, Katrine, Alvestad, Tom, Meißner, Karin & Budaeva, Nataliya, 2024, Diversity of Orbiniella (Orbiniidae, Annelida) in the North Atlantic and the Arctic, pp. 51-88 in ZooKeys 1205 on pages 51-88, DOI: 10.3897/zookeys.1205.120300 ...