Macellicephalinae , Hartmann-Schroder 1971

Key to the genera of the Macellicephalinae 1. Posterior end with ventral keel........................................................................... 2 - Ventrum of posterior end flat (not forming ventral keel)....................................................... 3 2. 9 pairs of reduced elytrop...

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Main Authors: Neal, L., Barnich, R., Wiklund, H
Format: Text
Language:unknown
Published: Zenodo 2012
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Online Access:https://dx.doi.org/10.5281/zenodo.5462098
https://zenodo.org/record/5462098
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Summary:Key to the genera of the Macellicephalinae 1. Posterior end with ventral keel........................................................................... 2 - Ventrum of posterior end flat (not forming ventral keel)....................................................... 3 2. 9 pairs of reduced elytrophores; up to 20 segments.......................................... Austropolaria n. gen. - 8 pairs of reduced elytrophores; up to 15 segments................................... Bathypolaria Levenstein, 1981 3. Wing-like structures present at lower lip of mouth........................................ Bruunilla Hartman, 1971 - Lower lip of mouth even (wing-like structures not formed).................................................... 4 4. Pharynx with 5 pairs of unequal papillae (middle pair very long, others rather short) Pelagomacellicephala Pettibone, 1985a - Pharynx with different number of subequal papillae.......................................................... 5 5. Dorsal tubercles forming cirriform, ciliated branchial structures................................................ 6 - Dorsal tubercles otherwise.............................................................................. 8 6. Notopodia distinctly shorter than neuropodia......................................... Bathyfauvelia Pettibone, 1976 - Notopodia subequal in length to neuropodia................................................................. 7 7. 12 pairs of elytrophores, 24 segments; neurochaetae all flattened, paddle-like............... Bathycatalina Pettibone, 1976 - 8 pairs of elytrophores, 18 segments; neurochaetae of two types, not paddle-like........... Bathybahamas Pettibone, 1985a 8. Notochaetae distinctly more slender than neurochaetae....................................................... 9 - Notochaetae stouter than or as stout as neurochaetae........................................................ 10 9. Notochaetae stout, neurochaetae greatly expanded................................... Bathyeliasona Pettibone, 1976 - Notochaetae slender, delicate, neurochaetae not greatly expanded........................ Bathyvitiazia Pettibone, 1976 10. Ventral cirri inserted subdistally................................................... Natopolynoe Pettibone, 1985b - Ventral cirri inserted basally or at middle of parapodium..................................................... 11 11. 7 pairs of elytrophores, 15 segments................................................ Bathykurila Pettibone, 1976 - 9 pairs or more of elytrophores......................................................................... 12 12. 9 pairs of elytrophores................................................................................ 13 - More than 9 pairs of elytrophores....................................................................... 14 13. Posterior end bulbous......................................................... Macellicephala McIntosh, 1885 - Posterior end elongate, cylindrical.............................................. Bathykermadeca Pettibone, 1976 14. 10 pairs of elytrophores, 19 segments; 9 pairs of pharyngeal papillae................... Bathytasmania Levenstein, 1982 - 11 pairs of elytrophores, 25 segments; 7 pairs of pharyngeal papillae................... Levensteiniella Pettibone, 1985b : Published as part of Neal, L., Barnich, R. & Wiklund, H, 2012, A new genus and species of Polynoidae (Annelida, Polychaeta) from Pine Island Bay, Amundsen Sea, Southern Ocean-a region of high taxonomic novelty, pp. 80-88 in Zootaxa 3542 on page 83, DOI: 10.11646/zootaxa.3542.1.4 : {"references": ["Levenstein, R. J. (1981) Some pecularities of the distribution of the polychaetes (family Polynoidae) in the Canada Basin, Arctic Ocean. Transactions of the P. P. Shirshov Institute of Oceanology of Sciences of the USSR, Moscow, 115, 26 - 36.", "Pettibone, M. H. (1985 a). Polychaete worms from a cave in the Bahamas and from experimental wood panels in deep water of the North Atlantic (Polynoidae: Macellicephalinae, Harmothoinae). Proceedings of the Biological Society Washington, 98 (1), 127 - 149.", "Pettibone, M. H. (1976) Revision of the genus Macellicephala McIntosh and the subfamily Macellicephalinae Hartmann- Schroder (Polychaeta: Polynoidae). Smithsonian Contributions to Zoology, 229, 1 - 71.", "Pettibone, M. H. (1985 b). New genera and species of deep-sea Macellicephalinae and Harmothoinae (Polychaeta: Polynoidae) from the hydrothermal rift areas off the Galapagos and Western Mexico at 21 \u00b0 N and from the Santa Catalina Channel. Proceedings of the Biological Society Washington, 98 (3), 740 - 757.", "McIntosh, W. C. (1885) Report on the Annelida Polychaeta collected by H. M. S. \" Challenger \" during the years 1873 - 76. Reports on the Scientific Results of the Voyage of H. M. S. \" Challenger \", Zoology, 12, 1 - 554."]}