Crustacea: Decapoda: Brachyura: Sesarmidae)
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A Classification of Living and Fossil Genera of Decapod Crustaceans
RAFFLES BULLETIN OF ZOOLOGY 2009 Supplement No. 21: 1–109 Date of Publication: 15 Sep.2009 © National University of Singapore A CLASSIFICATION OF LIVING AND FOSSIL GENERA OF DECAPOD CRUSTACEANS Sammy De Grave1, N. Dean Pentcheff 2, Shane T. Ahyong3, Tin-Yam Chan4, Keith A. Crandall5, Peter C. Dworschak6, Darryl L. Felder7, Rodney M. Feldmann8, Charles H. J. M. Fransen9, Laura Y. D. Goulding1, Rafael Lemaitre10, Martyn E. Y. Low11, Joel W. Martin2, Peter K. L. Ng11, Carrie E. Schweitzer12, S. H. Tan11, Dale Tshudy13, Regina Wetzer2 1Oxford University Museum of Natural History, Parks Road, Oxford, OX1 3PW, United Kingdom [email protected] [email protected] 2Natural History Museum of Los Angeles County, 900 Exposition Blvd., Los Angeles, CA 90007 United States of America [email protected] [email protected] [email protected] 3Marine Biodiversity and Biosecurity, NIWA, Private Bag 14901, Kilbirnie Wellington, New Zealand [email protected] 4Institute of Marine Biology, National Taiwan Ocean University, Keelung 20224, Taiwan, Republic of China [email protected] 5Department of Biology and Monte L. Bean Life Science Museum, Brigham Young University, Provo, UT 84602 United States of America [email protected] 6Dritte Zoologische Abteilung, Naturhistorisches Museum, Wien, Austria [email protected] 7Department of Biology, University of Louisiana, Lafayette, LA 70504 United States of America [email protected] 8Department of Geology, Kent State University, Kent, OH 44242 United States of America [email protected] 9Nationaal Natuurhistorisch Museum, P. O. Box 9517, 2300 RA Leiden, The Netherlands [email protected] 10Invertebrate Zoology, Smithsonian Institution, National Museum of Natural History, 10th and Constitution Avenue, Washington, DC 20560 United States of America [email protected] 11Department of Biological Sciences, National University of Singapore, Science Drive 4, Singapore 117543 [email protected] [email protected] [email protected] 12Department of Geology, Kent State University Stark Campus, 6000 Frank Ave. -
Diversity of Crabs in Tekkali Creek, Srikakulam District, Andhra Pradesh
International Journal of Fisheries and Aquatic Studies 2016; 4(1): 414-418 ISSN: 2347-5129 (ICV-Poland) Impact Value: 5.62 Diversity of crabs in Tekkali creek, Srikakulam district, (GIF) Impact Factor: 0.352 IJFAS 2016; 4(1): 414-418 Andhra Pradesh © 2016 IJFAS www.fisheriesjournal.com Received: 15-11-2015 Myla S Chakravarty, PRC Ganesh, D Amarnath, B Shanthi Sudha, V Vivek Accepted: 16-12-2015 Myla S Chakravarty Abstract Department of Marine Living Tekkali Creek is located on the East coast of India in Srikakulam District, Andhra Pradesh being Resources, Andhra University, connected by different channels, canals, streams etc. The creek was surveyed for different crab Visakhapatnam – 530 003, populations. Fifteen species belonging to five families– Ocypodidae, Grapsidae, Sesarmidae, Portinidae Andhra Pradesh, India. and Varunidae and nine genera- Ocypode, Uca, Grapsus, Sesarma, Perisesarma, Episesarma, Portunus, Scylla and Hemigrapsus were recorded. Of the species identified seven were marine and eight were PRC Ganesh brackish water. Department of Marine Living Resources, Andhra University, Keywords: Tekkali Creek, Brachyuran Crabs. Visakhapatnam – 530 003, Andhra Pradesh, India. 1. Introduction D Amarnath Crabs are one of the important faunal communities serving as very good food source to human Department of Marine Living beings in the marine and brackish water ecosystems. They are predacious carnivores and Resources, Andhra University, scavengers and playing an important role in detritus formation, recycling of nutrients and Visakhapatnam – 530 003, [1] [2] Andhra Pradesh, India. overall dynamics of ecosystems . Crabs are distributed up to 6000 m depth . About 5000 to [2- 10,000 species of brachyuran crabs belonging to 700 genera have been reported worldwide B Shanthi Sudha 9]. -
National Monitoring Program for Biodiversity and Non-Indigenous Species in Egypt
UNITED NATIONS ENVIRONMENT PROGRAM MEDITERRANEAN ACTION PLAN REGIONAL ACTIVITY CENTRE FOR SPECIALLY PROTECTED AREAS National monitoring program for biodiversity and non-indigenous species in Egypt PROF. MOUSTAFA M. FOUDA April 2017 1 Study required and financed by: Regional Activity Centre for Specially Protected Areas Boulevard du Leader Yasser Arafat BP 337 1080 Tunis Cedex – Tunisie Responsible of the study: Mehdi Aissi, EcApMEDII Programme officer In charge of the study: Prof. Moustafa M. Fouda Mr. Mohamed Said Abdelwarith Mr. Mahmoud Fawzy Kamel Ministry of Environment, Egyptian Environmental Affairs Agency (EEAA) With the participation of: Name, qualification and original institution of all the participants in the study (field mission or participation of national institutions) 2 TABLE OF CONTENTS page Acknowledgements 4 Preamble 5 Chapter 1: Introduction 9 Chapter 2: Institutional and regulatory aspects 40 Chapter 3: Scientific Aspects 49 Chapter 4: Development of monitoring program 59 Chapter 5: Existing Monitoring Program in Egypt 91 1. Monitoring program for habitat mapping 103 2. Marine MAMMALS monitoring program 109 3. Marine Turtles Monitoring Program 115 4. Monitoring Program for Seabirds 118 5. Non-Indigenous Species Monitoring Program 123 Chapter 6: Implementation / Operational Plan 131 Selected References 133 Annexes 143 3 AKNOWLEGEMENTS We would like to thank RAC/ SPA and EU for providing financial and technical assistances to prepare this monitoring programme. The preparation of this programme was the result of several contacts and interviews with many stakeholders from Government, research institutions, NGOs and fishermen. The author would like to express thanks to all for their support. In addition; we would like to acknowledge all participants who attended the workshop and represented the following institutions: 1. -
Forty Years of Tropical Deep-Sea Benthos and the Taxonomy of Nine Families of Brachyuran Crabs
FORTY YEARS OF TROPICAL DEEP-SEA BENTHOS AND THE TAXONOMY OF NINE FAMILIES OF BRACHYURAN CRABS Peter (Pedro) Castro Biological Sciences Department California State Polytechnic University, Pomona, USA TRAPEZIOIDEA: TRAPEZIIDAE & TETRALIIDAE Castro, P., 1997. Trapeziid crabs of New Caledonia, eastern Australia, and the Coral Sea. Le benthos des fonds meubles des lagons de Nouvelle-Calédonie (B. Richer de Forges, ed.). Ètudes et Théses, 3: 59-107. NEW SPECIES – 1 NEW RECORDS – 3 Castro, P., P.K.L. Ng & S.T. Ahyong, 2004 Phylogeny and systematics of the Trapeziidae Miers, 1886, with the description of a new family. Zootaxa, 643: 1-70. NEW FAMILY – 1 NEOTYPE - 1 Castro, P., 2005. A new species of Hexagonalia from the Solomon Islands. Proceedings of the Biological Society of Washington, 118: 539-542. NEW SPECIES – 1 Castro, P., 2009. Trapeziidae and Tetraliidae of the Philippines (PANGLAO 2004), New Guinea, and Vanuatu (SANTO 2006). Raffles Bulletin of Zoology, Supplement 20: 271-281. NEW RECORDS – 18 Castro, P., 2013. Brachyuran crabs (Crustacea, Brachyura:) of the MAINBAZA, MIRIKI, and ATIMO VATAE expeditions to the Mozambique Channel and Madagascar. In: Ahyong, S.T, Chan, T.-Y, Corbari, L. & Ng, P.K.L. (eds.). Tropical Deep Sea Benthos, 27: 437-466). NEW RECORD - 1 Sphenomerides PALICOIDEA: PALICIDAE & CROSSOTONOTIDAE Castro, P., 2000. Crustacea Decapoda: A revision of the Indo-west Pacific species of palicid crabs (Brachyura Palicidae). In: Résultats des Campagnes MUSORSTOM (A. Crosnier, ed.), vol. 21. Mémoires du Muséum National d'Histoire Naturelle, 184: 437- 610. NEW GENERA – 4 (= 50% of Palicidae) NEW SPECIES – 15 (= 24% of Palicidae; 38% of Indo-West Pacific species) NEW RECORDS – 51 Castro, P., 2010. -
Checklists of Crustacea Decapoda from the Canary and Cape Verde Islands, with an Assessment of Macaronesian and Cape Verde Biogeographic Marine Ecoregions
Zootaxa 4413 (3): 401–448 ISSN 1175-5326 (print edition) http://www.mapress.com/j/zt/ Article ZOOTAXA Copyright © 2018 Magnolia Press ISSN 1175-5334 (online edition) https://doi.org/10.11646/zootaxa.4413.3.1 http://zoobank.org/urn:lsid:zoobank.org:pub:2DF9255A-7C42-42DA-9F48-2BAA6DCEED7E Checklists of Crustacea Decapoda from the Canary and Cape Verde Islands, with an assessment of Macaronesian and Cape Verde biogeographic marine ecoregions JOSÉ A. GONZÁLEZ University of Las Palmas de Gran Canaria, i-UNAT, Campus de Tafira, 35017 Las Palmas de Gran Canaria, Spain. E-mail: [email protected]. ORCID iD: 0000-0001-8584-6731. Abstract The complete list of Canarian marine decapods (last update by González & Quiles 2003, popular book) currently com- prises 374 species/subspecies, grouped in 198 genera and 82 families; whereas the Cape Verdean marine decapods (now fully listed for the first time) are represented by 343 species/subspecies with 201 genera and 80 families. Due to changing environmental conditions, in the last decades many subtropical/tropical taxa have reached the coasts of the Canary Islands. Comparing the carcinofaunal composition and their biogeographic components between the Canary and Cape Verde ar- chipelagos would aid in: validating the appropriateness in separating both archipelagos into different ecoregions (Spalding et al. 2007), and understanding faunal movements between areas of benthic habitat. The consistency of both ecoregions is here compared and validated by assembling their decapod crustacean checklists, analysing their taxa composition, gath- ering their bathymetric data, and comparing their biogeographic patterns. Four main evidences (i.e. different taxa; diver- gent taxa composition; different composition of biogeographic patterns; different endemicity rates) support that separation, especially in coastal benthic decapods; and these parametres combined would be used as a valuable tool at comparing biotas from oceanic archipelagos. -
Part I. an Annotated Checklist of Extant Brachyuran Crabs of the World
THE RAFFLES BULLETIN OF ZOOLOGY 2008 17: 1–286 Date of Publication: 31 Jan.2008 © National University of Singapore SYSTEMA BRACHYURORUM: PART I. AN ANNOTATED CHECKLIST OF EXTANT BRACHYURAN CRABS OF THE WORLD Peter K. L. Ng Raffles Museum of Biodiversity Research, Department of Biological Sciences, National University of Singapore, Kent Ridge, Singapore 119260, Republic of Singapore Email: [email protected] Danièle Guinot Muséum national d'Histoire naturelle, Département Milieux et peuplements aquatiques, 61 rue Buffon, 75005 Paris, France Email: [email protected] Peter J. F. Davie Queensland Museum, PO Box 3300, South Brisbane, Queensland, Australia Email: [email protected] ABSTRACT. – An annotated checklist of the extant brachyuran crabs of the world is presented for the first time. Over 10,500 names are treated including 6,793 valid species and subspecies (with 1,907 primary synonyms), 1,271 genera and subgenera (with 393 primary synonyms), 93 families and 38 superfamilies. Nomenclatural and taxonomic problems are reviewed in detail, and many resolved. Detailed notes and references are provided where necessary. The constitution of a large number of families and superfamilies is discussed in detail, with the positions of some taxa rearranged in an attempt to form a stable base for future taxonomic studies. This is the first time the nomenclature of any large group of decapod crustaceans has been examined in such detail. KEY WORDS. – Annotated checklist, crabs of the world, Brachyura, systematics, nomenclature. CONTENTS Preamble .................................................................................. 3 Family Cymonomidae .......................................... 32 Caveats and acknowledgements ............................................... 5 Family Phyllotymolinidae .................................... 32 Introduction .............................................................................. 6 Superfamily DROMIOIDEA ..................................... 33 The higher classification of the Brachyura ........................ -
From the Bohol Sea, the Philippines
THE RAFFLES BULLETIN OF ZOOLOGY 2008 RAFFLES BULLETIN OF ZOOLOGY 2008 56(2): 385–404 Date of Publication: 31 Aug.2008 © National University of Singapore NEW GENERA AND SPECIES OF EUXANTHINE CRABS (CRUSTACEA: DECAPODA: BRACHYURA: XANTHIDAE) FROM THE BOHOL SEA, THE PHILIPPINES Jose Christopher E. Mendoza Department of Biological Sciences, National University of Singapore, 14 Science Drive 4, Singapore 117543; Institute of Biology, University of the Philippines, Diliman, Quezon City, 1101, Philippines Email: [email protected] Peter K. L. Ng Department of Biological Sciences, National University of Singapore, 14 Science Drive 4, Singapore 117543, Republic of Singapore Email: [email protected] ABSTRACT. – Two new genera and four new xanthid crab species belonging to the subfamily Euxanthinae Alcock (Crustacea: Decapoda: Brachyura) are described from the Bohol Sea, central Philippines. Rizalthus, new genus, with just one species, R. anconis, new species, can be distinguished from allied genera by characters of the carapace, epistome, chelipeds, male abdomen and male fi rst gonopod. Visayax, new genus, contains two new species, V. osteodictyon and V. estampadori, and can be distinguished from similar genera using a combination of features of the carapace, epistome, thoracic sternum, male abdomen, pereiopods and male fi rst gonopod. A new species of Hepatoporus Serène, H. pumex, is also described. It is distinguished from congeners by the unique morphology of its front, carapace sculpturing, form of the subhepatic cavity and structure of the male fi rst gonopod. KEY WORDS. – Crustacea, Xanthidae, Euxanthinae, Rizalthus, Visayax, Hepatoporus, Panglao 2004, the Philippines. INTRODUCTION & Jeng, 2006; Anker et al., 2006; Dworschak, 2006; Marin & Chan, 2006; Ahyong & Ng, 2007; Anker & Dworschak, There are currently 24 genera and 83 species in the xanthid 2007; Manuel-Santos & Ng, 2007; Mendoza & Ng, 2007; crab subfamily Euxanthinae worldwide, with most occurring Ng & Castro, 2007; Ng & Manuel-Santos, 2007; Ng & in the Indo-Pacifi c (Ng & McLay, 2007; Ng et al., 2008). -
Marine Ecologists Discover and Name the First Endemic Tree-Climbing Crab 11 April 2017
Marine ecologists discover and name the first endemic tree-climbing crab 11 April 2017 science and it is only known, at present, to have come from Tolo Harbour, Hong Kong. It is Hong Kong's first truly arboreal crab, i.e. living on the branches and canopies of mangroves and breathing air. Its closest relatives, i.e. crabs of the same genus, are only known to be found in the mangroves of Singapore and Indonesian New Guinea, but they are all normal crabs that live in the mud - they do not climb trees. An adult male Haberma tingkok in its natural environment, the branches of mangrove tree Kandelia The first known individual of Haberma tingkok was obovata. Note the long legs grasping the branch. Credit: found in the mangroves of Ting Kok at the end of The University of Hong Kong last summer, during one of the routine biodiversity samplings carried out by a group of HKU undergraduate students majoring in Ecology & Biodiversity and research assistants. At the time, The Mangrove Ecology and Evolution Lab, led by they were conducting a multi-institutional project Dr Stefano Cannicci at the Swire Institute of Marine funded by the Hong Kong Environment and Sciences (SWIMS) and School of Biological Conservation Fund (ECF) "Assessing the Marine Sciences, the University of Hong Kong (HKU), has Biodiversity and Ecology of Tolo Harbour and recently discovered, described and named a new Channel, with particular Reference to Coastal species of mangrove-climbing micro-crab from Marine Environments of Ting Kok and Shuen Wan Hong Kong, Haberma tingkok, and published the Hoi - Phase I." The Project is coordinated by the description in ZooKeys, a peer-reviewed and open Director of SWIMS, Professor Gray A Williams, and access international journal dedicated to animal managed by Dr Kevin Ho King-yan. -
Crustacea, Copepoda, Harpacticoida): Proposed Emendation of Spelling to ZOSIMEIDAE to Remove Homonymy with ZOSIMINAE Alcock, 1898 (Crustacea, Decapoda, XANTHIDAE)
24 Bulletin of Zoological Nomenclature 66(1) March 2009 Case 3467 ZOSIMIDAE Seifried, 2003 (Crustacea, Copepoda, Harpacticoida): proposed emendation of spelling to ZOSIMEIDAE to remove homonymy with ZOSIMINAE Alcock, 1898 (Crustacea, Decapoda, XANTHIDAE) Rony Huys and Paul F. Clark Department of Zoology, Natural History Museum, Cromwell Road, London SW7 5BD, U.K. (e-mail: [email protected] and [email protected]) Abstract. The purpose of this application, under Articles 29 and 55.3.1 of the Code, is to remove homonymy between the family-group names ZOSIMINAE Alcock, 1898 (Crustacea, Decapoda) and ZOSIMIDAE Seifried, 2003 (Crustacea, Copepoda) by changing the spelling of the junior homonym. It is proposed that the entire name Zosime Boeck, 1873 (Copepoda) be used to form ZOSIMEIDAE, leaving the stem of the senior homonym (based on the name Zosimus A.-G. Desmarest, 1823; Decapoda) unchanged. Zosimus A.-G. Desmarest, 1823 and Zosime Boeck, 1873 are respectively the type genera of ZOSIMINAE Alcock, 1898 (Decapoda) and ZOSIMIDAE Seifried, 2003 (Copepoda). Keywords. Nomenclature; taxonomy; Crustacea; Decapoda; Copepoda; Harpacti- coida; XANTHIDAE; ZOSIMEIDAE; ZOSIMIDAE; ZOSIMINAE; Zosime; Zosimus; Zosime typica; cosmopolitan. 1. Leach (1818) introduced the French vernacular names ‘Carpile’, ‘Clodorée’ (sic) and ‘Zosime’ for three genera of decapod crustaceans but did not include a descrip- tion, definition or indication of the taxa they denoted (Leach, 1818, pp. 74–75). Under Article 12 Leach’s names are nomina nuda and must be considered unavailable. 2. A.-G. Desmarest (1823, p. 228) latinised Leach’s (1818) vernacular names in a footnote to his text dealing with the genus Cancer, naming them Carpilius, Clorodius and Zosimus, respectively. -
FRESHWATER CRABS in AFRICA MICHAEL DOBSON Dr M
CORE FRESHWATER CRABS IN AFRICA 3 4 MICHAEL DOBSON FRESHWATER CRABS IN AFRICA In East Africa, each highland area supports endemic or restricted species (six in the Usambara Mountains of Tanzania and at least two in each of the brought to you by MICHAEL DOBSON other mountain ranges in the region), with relatively few more widespread species in the lowlands. Recent detailed genetic analysis in southern Africa Dr M. Dobson, Department of Environmental & Geographical Sciences, has shown a similar pattern, with a high diversity of geographically Manchester Metropolitan University, Chester St., restricted small-bodied species in the main mountain ranges and fewer Manchester, M1 5DG, UK. E-mail: [email protected] more widespread large-bodied species in the intervening lowlands. The mountain species occur in two widely separated clusters, in the Western Introduction Cape region and in the Drakensburg Mountains, but despite this are more FBA Journal System (Freshwater Biological Association) closely related to each other than to any of the lowland forms (Daniels et Freshwater crabs are a strangely neglected component of the world’s al. 2002b). These results imply that the generally small size of high altitude inland aquatic ecosystems. Despite their wide distribution throughout the species throughout Africa is not simply a convergent adaptation to the provided by tropical and warm temperate zones of the world, and their great diversity, habitat, but evidence of ancestral relationships. This conclusion is their role in the ecology of freshwaters is very poorly understood. This is supported by the recent genetic sequencing of a single individual from a nowhere more true than in Africa, where crabs occur in almost every mountain stream in Tanzania that showed it to be more closely related to freshwater system, yet even fundamentals such as their higher taxonomy mountain species than to riverine species in South Africa (S. -
DIET of Labuanium Politum (AN OBLIGATE ARBOREAL CRAB) at KAMPUNG TANJONG ASSAM, SPAOH, SARAWAK
DIET OF Labuanium politum (AN OBLIGATE ARBOREAL CRAB) AT KAMPUNG TANJONG ASSAM, SPAOH, SARAWAK NUR AMIRAH BINTI MOHAMAD ALWIE Bachelor of Science with Honours (Aquatic Resource Science and Management) 2015/2016 Pusat Khidmat "WaklwuatAkadem. UMVEItSITt MALAYSIASARAWAi. P. KNIDMAT MAKLUMAT AKADEMIK UNIMAS 11 100027267911111 Diet of Labuanium politum (An Obligatei Arboreali i11111 iCrab) at Kampung Tanjung Assam, Spaoh, Sarawak Nur Amirah Binti Mohamad Alwie This report is submitted in partial fulfillment of the requirement for degree of Bachelor of Science with Honours (Aquatic Resource Science and Management) Faculty of Resource Science and Technology UNIVERSITI MALAYSIA SARAWAK DECLARATION OF AUTHORSHIP I, NUR AMIRAH BINTI MOHAMAD ALWIE declarethat the final year project report entitled: DIET OF Labuanium politum (AN OBLIGATE ARBOREAL CRAB) AT KAMPUNG TANJUNG ASSAM, SPAOH, SARAWAK. and the work presentedin the report are both my own, and have been generatedby me as the result of my own original research.I confirm that: " this work was done wholly or mainly while in candidature for a research degree at this University; " where I have made corrections based on suggestion by supervisor and examiners, this has been clearly stated; " where I have consulted the published work of others, this is always clearly attributed; " where I have quoted from the work of others, the source is always given. With the exception of such quotations, this report is entirely my own work; "I have acknowledged all main sourcesof help; " where the thesis is based on work done by myself jointly with others, I have made clear exactly what was done by others and what I have contributed myself; " none of this work has been published before submission Signed: d ýA N "11! Aquatic Resource Science and Management Programme Department of Aquatic Science Faculty of Resource Science and Technology Universiti Malaysia Sarawak (UNIMAS) Date: 17 June 2016 I ACKNOWLEDGEMENT Alhamdulillah, all praises to Allah the Almighty for giving me a chance and strength in order to complete my final year project. -
Evolutionary Transformations of the Reproductive System in Eubrachyura (Crustacea: Decapoda)
EVOLUTIONARY TRANSFORMATIONS OF THE REPRODUCTIVE SYSTEM IN EUBRACHYURA (CRUSTACEA: DECAPODA) DISSERTATION zur Erlangung des akademischen Grades Doctor rerum naturalium (Dr. rer. nat.) eingereicht an der Lebenswissenschaftlichen Fakultät der Humboldt-Universität zu Berlin von M. Sc. Katja, Kienbaum, geb. Jaszkowiak Präsidentin der Humboldt-Universität zu Berlin Prof. Dr.-Ing. Dr. Sabine Kunst Dekan der Lebenswissenschaftlichen Fakultät der Humboldt-Universität zu Berlin Prof. Dr. Bernhard Grimm Gutachter 1. Prof. Dr. Gerhard Scholtz 2. PD Dr. Thomas Stach 3. PD Dr. Christian Wirkner Tag der mündlichen Prüfung: 03.05.2019 CONTENT C ONTENT A BSTRACT v i - vii Z USAMMENFASSUNG viii - x 1 | INTRODUCTION 1 - 11 1.1 | THE BRACHYURA 1 1.1.1 | OBJECT OF INVESTIGATION 1 - 5 1.1.2 | WHAT WE (DO NOT) KNOW ABOUT THE PHYLOGENY OF EUBRACHURA 6 - 10 1. 2 |MS AI 10 - 11 2 | THE MORPHOLOGY OF THE MALE AND FEMALE REPRODUCTIVE SYSTEM IN TWO 12 - 34 SPECIES OF SPIDER CRABS (DECAPODA: BRACHYURA: MAJOIDEA) AND THE ISSUE OF THE VELUM IN MAJOID REPRODUCTION. 2.1 | INTRODUCTION 13 - 14 2.2 | MATERIAL AND METHODS 14 - 16 2.3 | RESULTS 16 - 23 2.4 | DISCUSSION 24 - 34 3 | THE MORPHOLOGY OF THE REPRODUCTIVE SYSTEM IN THE CRAB 35 - 51 PERCNON GIBBESI (DECAPODA: BRACHYURA: GRAPSOIDEA) REVEALS A NEW COMBINATION OF CHARACTERS. 3.1 | INTRODUCTION 36 - 37 3.2 | MATERIAL AND METHODS 37 - 38 3.3 | RESULTS 39 - 46 3.4 | DISCUSSION 46 - 51 4 | THE REPRODUCTIVE SYSTEM OF LIMNOPILOS NAIYANETRI INDICATES A 52 - 64 THORACOTREME AFFILIATION OF HYMENOSOMATIDAE (DECAPODA, EUBRACHYURA).