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Vinod, K and George, Rani Mary and Thomas, P A and Manisseri, Mary K (2019) Systematic account of diverse sponge species. In: Stony corals, sponges and reef fishes off Enayam to Kollam, south-west coast of India. CMFRI Special Publication (119). ICAR - Central Marine Fisheries Research Institute, Kochi, pp. 69-103.
Sunil Kumar, P and Thomas, P A (2015) Systematics, zoogeography and affinity of boring sponges infesting the brown mussel, Perna indica Kuriakose and Nair from the southwest coast of India. Journal of the Marine Biological Association of India, 57 (2). pp. 37-45. ISSN 2321-7898
Vinod, K and George, Rani Mary and Thomas, P A and Manisseri, Mary K and Shylaja, G (2014) Diversity and distribution of shallow water sponges (Porifera) in the coastal waters from Enayam to Kollam, south-west coast of India. Indian Journal of Fisheries, 61 (3). pp. 52-57.
Vinod, K and George, Rani Mary and Thomas, P A and Manisseri, Mary K (2012) Semperella megaloxea sp. nov. (Family: Pheronematidae): A new hexactinellid sponge from Andaman waters, India. Indian Journal of Fisheries, 59 (1). pp. 33-36.
Sunil Kumar, P and Thomas, P A (2011) Pathological manifestations of sponge infestation in Perna indica Kuriakose & Nair 1976. Journal of the Marine Biological Association of India, 53 (2). pp. 278-280.
Sunil Kumar, P and Thomas, P A (2011) Sponge infestation on Perna indica kuriakose and nair 1976 in experimental culture systems. Indian Journal of Geo-Marine Sciences, 40 (5). pp. 731-733.
Suresh, G K and Thomas, P A (2007) Three new records of Apogonids (Order–Perciformes, Suborder – Percoidei) from the Indian seas. Journal of Marine Biological Association of India, 49 (1). pp. 105-108.
Thomas, P A and Sunil Kumar, P (2005) Sponge Biodiversity in Kerala and its Biotechnological Potentials. In: State Biodiversity Strategy and Action Plan for Kerala. Kerala Forest Research Institute, Peechi, Kerala, India.
Thomas, P A (2002) Sponges of Papua and New Guinea IV. Orders Hadromerida Topsent and Epipolasida sollas. Journal of the Marine Biological Association of India, 44 (1 & 2). pp. 187-195.
Pillai, C S G and Thomas, P A (2001) Environmental deterioration in Lakshadweep and need for conservation of living resources. Geological Survey of India Special Publication (56). pp. 171-174.
Thomas, P A (2000) Sponges - systematics, as pests of molluscs, agents of bioerosion and a source of bioactive compounds. In: Marine Fisheries Research and Management. CMFRI; Kochi, Kochi, pp. 109-123.
Bapuji, M and Sree, A and Mishra, S and Vimala, A and Sahu, S K and Choudhury, S and Thomas, P A (1999) New sponge resources of Orissa coast. Current Science, 77 (2). pp. 220-222.
George, Rani Mary and Thomas, P A and Jasmine, S and Nair, K Ramakrishnan and Vasanthakumar, R (1999) Observations on the distribution and seasonal fluctuations of Chaetognaths off Vizhinjam, Southwest coast of India. Journal of the Marine Biological Association of India, 40 (1 & 2). pp. 6-11.
Thomas, P A (1998) Sponges of Papua and New Guinea III orders Poecilosclerida Topsent and Halichondrida Vosmaer. Journal of the Marine Biological Association of India, 39 (1 & 2). pp. 148-154.
Thomas, P A (1998) The unexploited marine resources of India. In: Kadalekum Kanivukal (Bounties of the Sea). CIFT, Cochin, pp. 54-57.
Thomas, P A (1998) സമുദ്ര മേഖലയിലെ ചൂഷണം ചെയ്യപ്പെടാത്ത വിഭവങ്ങള് (The unexploited marine resources). In: കടലേകും കനിവുകള് ( Kadalekum Kanivukal – Malayalam version ). സി.എം.എഫ്.ആര്.ഐ (CMFRI), Cochin, pp. 68-71.
George, Rani Mary and Thomas, P A (1997) The early stage of Scyllarus sordidus (Stimpson) from the inshore plankton off Vizhinjam together with a note on their distribution. Journal of the Marine Biological Association of India, 38 (1 & 2). pp. 74-79.
Thomas, P A (1996) Gorgonid resources and their conservation in India. In: Marine Biodiversity: Conservation and management. CMFRI, Cochin, pp. 32-40.
Thomas, P A (1996) An appraisal of the biological and biochemical diversity in sponges. Marine Fisheries Information Service, Technical and Extension Series, 142. pp. 1-5.
Thomas, P A and George, Rani Mary and Lazarus, S (1995) Distribution of gorgonids in the northeast coast of India with particular reference to Heterogorgia flabellum (Pallas). Journal of the Marine Biological Association of India, 37 (1&2). pp. 134-142.
Thomas, P A and Lazarus, S and Vincent, S G and Mohan, Madan and Omana, T A (1994) Perch fishery at Vizhinjam. CMFRI Bulletin-Perch fisheries in India, 47. pp. 36-89.
Lazarus, S and Thomas, P A and Omana, T A (1994) An appraisal of the perch fishery at Muttom area in Tamil Nadu. CMFRI Bulletin-Perch fisheries in India, 47. pp. 90-97.
Thomas, P A and Ramadoss, K and Vincent, S G (1993) Invasion of Cliona margaritifera Dendy and C.lobata Hancock on the molluscan beds along the Indian coast. Journal of the Marine Biological Association of India, 35 (1&2). pp. 145-156.
Murty, V Sriramachandra and Nair, K V Somasekharan and Thomas, P A and Lazarus, S and Chakraborty, S K and Raje, S G and Gopal, C and Zacharia, P U and Velayudhan, A K (1992) Present status of exploitation of fish and shellfish resources : Threadfin breams. CMFRI Bulletin, 45. pp. 154-168.
Rajagopalan, M S and Thomas, P A and Mathew, K J and Selvaraj, G S D and George, Rani Mary and Mathew, C V and Naomi, T S and Kaladharan, P and Balachandran, V K and Antony, Geetha (1992) Productivity of the Arabian Sea along The southwest coast of India. CMFRI Bulletin, 45. pp. 9-37.
Rao, D S and James, D B and Pillai, C S G and Thomas, P A and Appukuttan, K K and Girijavallabhan, K G and Gopinathan, C P and Muthusamy, S and Najmuddin, M (1991) Biotoxicity in Marine Organisms. In: Bioactive compounds from marine organisms With Emphasis on the Indian Ocean: An Indo-United States Symposium. Oxford and IBH Publishing Company, New Delhi, pp. 367-371.
Thomas, P A (1991) Sponges of Papua and New Guinea-Part Order Haplosclerida topsent. Journal of the Marine Biological Association of India, 33 (1&2). pp. 308-316.
Thomas, P A and George, Rani Mary (1990) Discovery of a deep water gorgonid bed off Bombay and its qualitative appraisal. In: Proceedings of the first workshop on scientific results of FORV Sagar Sampada, 5-7 June 1989, Kochi.
James, P S B R and Pillai, C S G and Thomas, P A and James, D B and Koya, K P Said (1989) Environmental damage and consequences. CMFRI Bulletin Marine living resources of the union territory of Lakshadweep An Indicative Survey With Suggestions For Development, 43. pp. 212-227.
Thomas, P A (1989) Sponge fauna of Lakshadweep. CMFRI Bulletin Marine living resources of the union territory of Lakshadweep An Indicative Survey With Suggestions For Development, 43. pp. 150-161.
Thomas, P A (1988) Sponge-generated bioerosion in Lakshadweep. Marine Fisheries Information Service, Technical and Extension Series, 86. pp. 20-26.
Mathew, K J and Thomas, P A and George, Rani Mary and Girijavallabhan, K G and Siraimeetan, Pon and Naomi, T S and Nair, K Ramachandran and Antony, Geetha and Bhat, G S and Selvaraj, M (1988) Phytoplankton Blooms along the Indian Coasts-some highlights. Marine Fisheries Information Service, Technical and Extension Series, 84. pp. 11-13.
Thomas, P A and George, Rani Mary (1987) Gorgonid resources of India. Marine Fisheries Information Service, Technical and Extension Series, 74. pp. 1-13.
Thomas, P A and George, Rani Mary (1987) Five species of commercially important gorgonids new to Indian seas. Indian Journal of Fisheries, 34 (1). pp. 20-27.
George, K C and Thomas, P A and Appukuttan, K K and Gopakumar, G (1986) Ancillary living marine resources of Lakshadweep. Marine Fisheries Information Service, Technical and Extension Series, 68. pp. 46-50.
Thomas, P A (1986) Demospongiae of the Gulf of Mannar and Palk Bay. In: Recent Advances in Marine Biology. Today and Tomorrow Printers and Publishers, New Delhi, pp. 205-366.
Thomas, P A (1986) Prawns of Goa with a note on the biology of Parapenaeopsis acclivirostris (Alcock). Indian Journal of Fisheries, 33 (3). pp. 351-354.
Thomas, P A and Mathew, K J (1986) Primnoisis spicata (Hickson) (Order Gorgonacea Lmx. Family Isididae Lmx.) from the Antarctic Sea. In: Third Indian Antarctic Research Expedition Scientific Report 1986. Department of Ocean Development, pp. 129-132.
Thomas, P A and Mathew, K J (1986) Sponges Collected during the Third Indian Antarctic Research Expedition with Description of Isodictya Echinata Sp. Novo. In: Third Indian Antarctic Research Expedition Scientific Report 1986. Department of Ocean Development, pp. 109-116.
Nair, K Prabhakaran and Thomas, P A and Gopakumar, G and Vincent, S G and Omana, T A (1985) Some observations on the hatching and post-hatching behaviour of the cuttlefish Sepia pharaonis Ehrenberg. CMFRI Bulletin, 37. pp. 157-159.
Thomas, P A (1984) Sponges collected aboard R. V. Skipjack from the Southeast coast of India. Journal of the Marine Biological Association of India, 26 (1&2). pp. 95-102.
Thomas, P A and Appukuttan, K K and Ramadoss, K and Vincent, S G (1983) Calcibiocavitological investigations. Marine Fisheries Information Service, Technical and Extension Series, 49. pp. 1-13.
Thomas, P A (1983) Distribution and affinities of the sponge fauna of the Indian region. Journal of the Marine Biological Association of India, 25 (1&2). pp. 7-16.
Luther, G and Thomas, P A and Nair, P N Radhakrishnan and Achari, R Bhaskaran (1982) Focus on small-scale fisheries sector. Adventurous launching of catamarans for monsoon fishery at valiathura, Trivandrum. Marine Fisheries Information Service Technical and Extension Series, 40. pp. 1-5.
Thomas, P A (1982) Some pathological aspects akin to sponge boring in molluscan shells. In: Proceedings of the Symposium on Coastal Aquaculture, Part 2, MBAI, 12-18 January 1980, Cochin.
Thomas, P A (1982) Sponges of Papua and New Guinea I. Order Keratosida Grant. Journal of the Marine Biological Association of India, 24 (1&2). pp. 15-22.
Thomas, P A (1980) Demospongiae of Minicoy Island (Indian Ocean) - Part 2 Order Poecilosclerida. Journal of the Marine Biological Association of India, 22 (1&2). pp. 1-7.
Thomas, P A (1980) Demospongiae of Minicoy Island (Indian Ocean) —Part 3 Orders Alichondrida, Hadromerida, Epipolasida and Choristida. Journal of the Marine Biological Association of India, 22 (1&2). pp. 8-20.
Thomas, P A and Thanapati, V (1980) An ancient window pane oyster bed in Goa with Comparative notes on the oyster in an extant bed. Indian Journal of Fisheries, 27 (1&2). pp. 54-60.
Thomas, P A (1979) Boring sponges destructive to economically important Molluscan beds and coral reefs in Indian seas. Indian Journal of Fisheries, 26 (1&2). pp. 163-200.
Thomas, P A (1979) Demospongiae of Minicoy Island (Indian Ocean) Part 1 - orders Keratosida and Haplosclerida. Journal of the Marine Biological Association of India, 19 (1 & 2). pp. 10-16.
Thomas, P A and Mydeen Kunju, M (1978) Unusual catch of ghol Pseudosciaena diacanthus off Goa. Indian Journal of Fisheries, 25 (1&2). pp. 266-267.
Thomas, P A (1977) Studies on Indian sponges VIII. Four new records of Silicious sponges Echinochalina glabra (Ridley and Dendy), Higginsia mixta (Hentschel), Geodia lindgreni (Lendenfeld) and Pachamphilla dendyi Hentschel From the Indian Ocean. Journal of the Marine Biological Association of India, 19 (1). pp. 115-122.
Thomas, P A (1976) Endectyon lamellosa n. Sp., (Demospongiae : Poealosclerida, Raspailiidae) from the Indian Seas and a revised key to the Indian species of Endectyon topsent. Journal of the Marine Biological Association of India, 18 (1). pp. 169-172.
Thomas, P A (1976) Marine Demospongiae of Ras Iwatine(Kenya). Journal of the Marine Biological Association of India, 18 (3). pp. 642-649.
Thomas, P A (1976) The history of Spongology of the Indian Ocean. Journal of the Marine Biological Association of India, 18 (3). pp. 610-625.
Thomas, P A (1975) Boring sponges of Zuari and Mandovi estuaries. Bulletin of the Department of Marine Sciences, CUSAT, 7 (1). pp. 117-126.
Thomas, P A (1975) A note on the occurrence of the puerulus of the spiny lobster Panulirus polyphagus (Herbst) In Zuari estuary in Goa. Indian Journal of Fisheries, 22 (1&2). pp. 299-300.
Thomas, P A (1974) A new genus and species (Qasimella indica) of demospongiae from Indian seas. Journal of the Marine Biological Association of India, 16 (1). pp. 311-313.
Thomas, P A (1973) Marine demospongiae of Mahe Island in the Seychelles Bank (Indian Ocean). Zoologische Wetenschappen, 203. pp. 110-96.
Thomas, P A (1973) Two new records of Demospongiae from the Indian Ocean. Journal of the Marine Biological Association of India, 15 (1). pp. 439-441.
Thomas, P A (1973) The sponge resources of India. In: Proceedings of the symposium on living resources of the seas around India, 1968, Mandapam Camp.
Thomas, P A (1972) Boring sponges of the reefs of Gulf of Mannar and Palk Bay. In: Proceedings of the First International Symposium on Corals and Coral Reefs, Marine Biological Association of India, Mandapam Camp, India, 12-16 January 1969, Mandapam.
Pillai, C S G and Thomas, P A (1972) Frequency of occurrence of Heterosaccus indicus(Rhizocephala) on the edible crab Neptunus pelagicus in the Gulf of Mannar. Journal of the Marine Biological Association of India, 14 (2). pp. 867-868.
Thomas, P A (1971) On some deep sea sponges from the Gulf of Mannar, with descriptions of three new species. Journal of the Marine Biological Association of India, 12 (1&2). pp. 202-209.
Thomas, P A (1971) Studies on Indian sponges—VII. Two new records and a new species of the genus Plakina Schulze (Carnosida :Halinidae) from the Indian region. Journal of Marine Biological Association of India, 12 (1&2). pp. 51-56.
Thomas, P A (1971) Sudies on Indian Sponges- VI. Two new records of silicious sponges (Poecilosclerida: Tedaniidae) from the Indian region. Journal of Marine Biological Association of India, 12 (1&2). pp. 43-50.
James, P S B R and Thomas, P A and Pillai, C S G and Achari, G P Kumaraswamy (1969) Catalogue of Types and of Sponges, Corals, Polychaetes, Crabs and Echinoderms in the Reference Collections of the Central Marine Fisheries Research Institute. Technical Report. CMFRI.
Thomas, P A (1969) MBAI Memoir No. 3: Goat fishes (Family Mullidae) of the Indian seas. Other. Marine Biological Association of India, Cochin.
Thomas, P A (1968) Studies on Indian Sponges I. Two new species of silicious sponges belonginq to the genera Echinodictyum Ridley and Rhadberemia Topsent. Journal of the Marine Biological Association of India, 10 (2). pp. 245-249.
Thomas, P A (1968) Studies on Indian Sponges II. Two new species of silicious sponges belonging to the genera Aka de Laubenfels and Damirlna Burton. Journal of the Marine Biological Association of India, 10 (2). pp. 250-254.
Thomas, P A (1968) Studies on Indian Sponges III. Two species of silicious sponges of the family Ophlitaspongiidae de Laubenfels (Class : Demospongidae Sollas, Order: Poecilosclerida Topsent. Journal of the Marine Biological Association of India, 10 (2). pp. 255-259.
Thomas, P A (1968) Studies on Indian Sponges IV. Additions to the genus Corticium schmidt with notes on the distribution of Corticium candelabrum Schmidt. Journal of the Marine Biological Association of India, 10 (2). pp. 260-263.
Thomas, P A (1968) Studies on Indian Sponges V. Two new records of silicious sponges belonging to the families Myxilliade Hentschel and Spirastrellidae Hentschel from the Indian region. Journal of the Marine Biological Association of India, 10 (2). pp. 264-268.
Thomas, P A (1965) The occurrence of the red mullet (Goatfish) Upeneus luzonius Jordan and Seale, in the Indian Seas. Journal of the Marine Biological Association of India, 7 (2). pp. 473-475.
