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Revision of Hesione Savigny in Lamarck, 1818 (Annelida, Errantia, Hesionidae)

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Revision of Hesione Savigny in Lamarck, 1818 (Annelida, Errantia, Hesionidae) zoosystema 2018 • 40 • 12 Sergio I. SALAZAR-VALLE)О M USEUM N ATIONAL D' H ISTOIRE N ATURELLE art. 40 (12) — Published on 19 June 2018 P UBLICATIONS S CIENTIFIQUES www.zoosystema.com S i DIRECTEUR DE LA PUBLICATION : Bruno David Président du Muséum national d’Histoire naturelle RÉDACTRICE EN CHEF / EDITOR-IN-CHIEF : Laure Desutter-Grandcolas ASSISTANTS DE RÉDACTION / ASSISTANT EDITORS : Anne Mabille ([email protected]), Emmanuel Côtez MISE EN PAGE / PAGE LAYOUT : Anne Mabille COMITÉ SCIENTIFIQUE / SCIENTIFIC BOARD : James Carpenter (AMNH, New York, États-Unis) Maria Marta Cigliano (Museo de La Plata, La Plata, Argentine) Henrik Enghoff (NHMD, Copenhague, Danemark) Rafael Marquez (CSIC, Madrid, Espagne) Peter Ng (University of Singapore) Gustav Peters (ZFMK, Bonn, Allemagne) Norman I. Platnick (AMNH, New York, États-Unis) Jean-Yves Rasplus (INRA, Montferrier-sur-Lez, France) Jean-François Silvain (IRD, Gif-sur-Yvette, France) Wanda M. Weiner (Polish Academy of Sciences, Cracovie, Pologne) John Wenzel (The Ohio State University, Columbus, États-Unis) COUVERTURE / COVER : Couverture réalisée à partir de photographies de différents spécimens étudiés dans cet article. Cover realized from various pictures of specimens featured in this article. Zoosystema est indexé dans / Zoosystema is indexed in: – Science Citation Index Expanded (SciSearch®) – ISI Alerting Services® – Current Contents® / Agriculture, Biology, and Environmental Sciences® – Scopus® Zoosystema est distribué en version électronique par / Zoosystema is distributed electronically by: – BioOne® (http://www.bioone.org) Les articles ainsi que les nouveautés nomenclaturales publiés dans Zoosystema sont référencés par / Articles and nomenclatural novelties published in Zoosystema are referenced by: – ZooBank® (http://zoobank.org) Zoosystema est une revue en flux continu publiée par les Publications scientifiques du Muséum, Paris / Zoosystema is a fast track journal published by the Museum Science Press, Paris Les Publications scientifiques du Muséum publient aussi / The Museum Science Press also publish: Adansonia, Anthropozoologica, European Journal of Taxonomy, Geodiversitas, Naturae. Diffusion – Publications scientifiques Muséum national d’Histoire naturelle CP 41 – 57 rue Cuvier F-75231 Paris cedex 05 (France) Tél. : 33 (0)1 40 79 48 05 / Fax : 33 (0)1 40 79 38 40 [email protected] / http://sciencepress.mnhn.fr © Publications scientifiques du Muséum national d’Histoire naturelle, Paris, 2018 ISSN (imprimé / print) : 1280-9551/ ISSN (électronique / electronic) : 1638-9387 PHOTOCOPIES : PHOTOCOPIES: Les Publications scientifiques du Muséum adhèrent au Centre Français d’Ex- The Publications scientifiques du Muséum adhere to the Centre Français d’Ex- ploitation du Droit de Copie (CFC), 20 rue des Grands Augustins, 75006 ploitation du Droit de Copie (CFC), 20 rue des Grands Augustins, 75006 Paris. Le CFC est membre de l’International Federation of Reproduction Rights Paris. The CFC is a member of International Federation of Reproduction Rights Organisations (IFRRO). Aux États-Unis d’Amérique, contacter le Copyright Organisations (IFRRO). In USA, contact the Copyright Clearance Center, 27 Clearance Center, 27 Congress Street, Salem, Massachusetts 01970. Congress Street, Salem, Massachusetts 01970. Revision of Hesione Savigny in Lamarck, 1818 (Annelida, Errantia, Hesionidae) Sergio I. SALAZAR-VALLEJO Estructura y Función del Bentos, Depto. Sistemática y Ecología Acuática, El Colegio de la Frontera Sur, Chetumal, Quintana Roo, 77000 (México) [email protected] [email protected] Submitted on 13 July 2017 | Accepted on 20 February 2018 | Published on 19 June 2018 urn:lsid:zoobank.org:pub:6CBF9039-7E4D-4938-909A-2DB5113C8D35 Salazar-Vallejo S. I. — Revision of Hesione Savigny in Lamarck, 1818 (Annelida, Errantia, Hesionidae). Zoosystema 40 (12): 227-325. https://doi.org/10.5252/zoosystema2018v40a12. http://zoosystema.com/40/12 ABSTRACT The species of Hesione Savigny in Lamarck, 1818 are among the most colorful marine benthic an- nelids, but their pigmentation often fades in ethanol, rendering it of little use as a diagnostic feature. Further, the body includes only 16 chaetigers but because parapodia are modified after preservation, several authors have lumped most species under a few names. The digestive and reproductive systems are known for a single species (H. sicula delle Chiaje, 1830), and its gonads are hermaphroditic. In order to improve our knowledge of the genus, available specimens in the larger collections of the world were studied under a standardised approach, parapodial/neurochaetal features were defined follow- ing previous guidelines, and pigmentation patterns were reassessed. Some observations were made on the digestive system and on some details of the gonads, including Scanning Electron Microscopy (SEM) photos of sperm. Hesione includes 23 species. Twelve were already known: H. ceylonica Grube, 1874 reinstated; H. eugeniae Kinberg, 1866; H. genetta Grube, 1867 restricted; H. intertexta Grube, 1878 restricted; H. pacifica McIntosh, 1885 reinstated; H. panamena Chamberlin, 1919 reinstated; H. pantherina Risso, 1826 restricted; H. picta Müller, 1858 (incl. H. proctochona Schmarda, 1861 and H. vittigera Ehlers, 1887); H. praetexta Ehlers, 1887 reinstated; H. sicula delle Chiaje, 1830 reinstated (incl. H. steenstrupi de Quatrefages, 1866); and H. splendida Savigny in Lamarck, 1818 (incl. H. ehlersi Gravier, 1900); H. reticulata von Marenzeller, 1879 has been recently redefined. Eleven species are KEY WORDS newly described: H. beneliahuae n. sp. from La Réunion; H. fitzhughi n. sp. from Australia; H. har- Fallacia, risae n. sp. from Puerto Rico; H. hartmanae n. sp. from the Galápagos Islands; H. helenensis n. sp. Telamone, digestive system, from Saint Helena Island; H. horsti n. sp. from Indonesia; H. keablei n. sp. from Australia; H. mooreae gonads, n. sp. from Saudi Arabia; H. osbornae n. sp. from the Philippines; H. paulayi n. sp. from Papua New chaetal blades, Guinea; and H. uchidai n. sp. from the Philippines. A key is included to identify all the species in the pigmentation, delle Chiaje, genus. An appendix is also included to clarify the publication dates of Stefano delle Chiaje papers on new species. marine invertebrates. ZOOSYSTEMA • 2018 • 40 (12) © Publications scientifiques du Muséum national d’Histoire naturelle, Paris. www.zoosystema.com 227 Salazar-Vallejo S. I. RÉSUMÉ Révision du genre Hesione Savigny in Lamarck, 1818 (Annelida, Errantia, Hesionidae). Les espèces de Hesione Savigny in Lamarck, 1818 sont parmi les annélides benthiques les plus colo- rées, mais leur pigmentation disparaît souvent dans l’éthanol, diminuant son utilité comme carac- tère diagnostique. De plus, le corps ne comprend que 16 sétigères mais comme les parapodes sont modifiés après conservation, plusieurs auteurs ont regroupé la plupart des espèces sous des noms distincts. Les systèmes digestifs et reproducteurs sont connus pour une seule espèce (H. sicula delle Chiaje, 1830) et ses gonades sont hermaphrodites. Pour améliorer notre connaissance du genre, les spécimens disponibles dans les plus grandes collections du monde ont été étudiés avec une approche standardisée, les caractères des parapodes/neurochètes ont été définis suivant des règles antérieures, et les patrons de pigmentation ont été réévalués. Des observations ont été faites sur le système digestif et sur quelques détails des gonades, y compris des photos du sperme au microscope électronique à balayage (MEB). Hesione inclut 23 espèces. Douze étaient déjà connues : H. ceylonica Grube, 1874 réhabilitée ; H. eugeniae Kinberg, 1866 ; H. genetta Grube, 1867 restreinte ; H. intertexta Grube, 1878 restreinte ; H. pacifica McIntosh, 1885 réhabilitée ; H. panamena Chamberlin, 1919 réhabi- litée ; H. pantherina Risso, 1826 restreinte ; H. picta Müller, 1858 (incl. H. proctochona Schmarda, 1861 et H. vittigera Ehlers, 1887) ; H. praetexta Ehlers, 1887 réhabilitée ; H. sicula delle Chiaje, 1830 réhabilitée (incl. H. steenstrupi de Quatrefages, 1866) ; et H. splendida Savigny in Lamarck, 1818 (incl. H. ehlersi Gravier, 1900). H. reticulata von Marenzeller, 1879 a été redéfinie récemment. MOTS CLÉS Onze espèces sont nouvellement décrites: H. beneliahuae n. sp. de La Réunion, H. fitzhughi n. sp. Fallacia, d’Australie, H. harrisae n. sp. de Puerto Rico, H. hartmanae n. sp. des îles Galápagos, H. helenensis Telamone, appareil digestive, n. sp. de l’île de Sainte-Hélène, H. horsti n. sp. d’Indonésie, H. keablei n. sp. d’Australie, H. mooreae gonades, n. sp. d’Arabie saoudite, H. osbornae n. sp. des Philippines, H. paulayi n. sp. de Papouasie-Nouvelle- serpes des soies, Guinée, et H. uchidai n. sp. des Philippines. Une clef est incluse pour identifier toutes les espèces du coloration, delle Chiaje, genre. Les dates de publication des articles de Stefano delle Chiaje sur les invertébrés marins sont, espèces nouvelles. d’autre part, clarifiées en annexe. INTRODUCTION group, therein regarded as closely associated to phyllodocids, and the family full name, or tetranomen, has been followed In Greek mythology, Hesione is mostly regarded as a famous as originally proposed. Trojan Lady, daughter of King Laomedon, who offered her The family members show a marked cephalisation and life as a compensation to Poseidon after the God had sent a at least several anterior segments carry long cirri; hesionids monster to destroy the city. However, Laomedon also asked can have large or very small bodies, live in rocky or sandy Heracles for help
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