Integrative description of two new Cratena species (Mollusca: Nudibranchia) from western India Author Bharate, Monisha Author Padula, Vinicius Author Apte, Deepak Author Shimpi, Gaurav G. text Zootaxa 2020 2020-01-30 4729 3 359 370 journal article 24211 10.11646/zootaxa.4729.3.4 5855c0d5-b127-4703-b7fe-73f6a0e0ec63 1175-5326 3632791 2C9FE705-82A5-498A-AA6D-9C7D078AEC10 Cratena poshitraensis sp. nov. ( Figures 2 A–B, 3A–B and 3E) urn:lsid:zoobank.org:act: 12F30A89-1CD1-4AA2-B51E-8AB1BB037604 Cratena sp.2— Apte & Desai 2017: 424 . Type Material. Holotype : India , Gujarat , Poshitra, intertidal, collected by Deepak Apte , 24.11.2011 , 25mm in length ( BNHS Opistho 665) . Paratypes : 2 specimens , collected with the holotype at type locality, 24.11.2011 ( BNHS Opistho 664) ; 5 specimens , collected at type locality by Vishal Bhave, 30.03.2010 ( BNHS Opistho 138) . Additional material. INDIA : Gujarat , Poshitra , intertidal, 15 specimens , collected by Deepak Apte and Vishal Bhave , 11.12.2009 ( BNHS Opistho 42) . Type locality. Poshitra , Gujarat , India ( 22°24’06.2”N 69°12’27.7”E ) . Etymology. This species is named after its type locality, the village of Poshitra, Gujarat , India . Description. Aeolid up to 25 mm long alive, oral tentacles long, 1/3 to 1/2 of body length; rhinophores smooth; five groups of cerata, precardiac group in an arch, postcardiac groups in rows; gonopore below first group of cerata, anus anterior to second group of cerata. Body white; lateral foot, head region and basal 1/3 of the oral tentacles and rhinophores translucent white; eyes visible through the mantle, behind rhinophores; pair of rectangular yellowish orange spots laterally on head, between rhinophores and oral tentacles; spots a bit larger dorsally on the head; central 1/3 of rhinophores translucent orange, apical 1/3 cream; cerata translucent, digestive gland varying from deep purplish-red to orange in colour; distally dark red; cnidosac triangular, white ( Figure 2 A–B). Radula with 24 rachidian teeth (BNHS Opistho 665, 25mm specimen); teeth almost triangular, large prominent and triangular central cusp with semicircular base; central cusp smooth; up to six, exceptionally seventh in lateral cusps, first and outermost lateral cusps smaller than middle ones ( Figure 3 ); jaw plate roughly ovate, with a slight dorsal indentation, cutting edge projected in a short triangular area, denticulate border with a single row of elongate and bluntly pointed denticles; additional row of very small triangular denticles internally on cutting edge ( Figure 3 ). Ampulla large, wide and curved; seminal receptacle large; penis short and globular with a small accessory portion ( Figure 4A ). Habitat. Found associated with the hydroid Pennaria disticha Goldfuss, 1820 ( Nagale & Apte 2014 ). Abundant from November to March. Distribution. Poshitra, Porbandar, Dwarka, Okha and Veraval, state of Gujarat , India .