Updated checklist and identification key of benthic tanaidaceans (Crustacea Peracarida) of the sublittoral zone of the northern Yucatan Peninsula, Mexico Author Abarca-Ávila, Mónica Mariel Author Herrera-Dorantes, María Teresa Author Winfield, Ignacio Author Ardisson, Pedro-Luis text Zootaxa 2019 2019-12-13 4711 1 51 76 journal article 24636 10.11646/zootaxa.4711.1.2 a23fcefa-299b-4695-be53-d3d82b0c7677 1175-5326 3573454 B3FFF924-44D6-403A-87B4-62EA2E2907D2 ♦ Parakonarus juliae ( Morales-Núñez, Heard & Alfaro 2013 ) ( Fig. 4 A–B) Examined material. TA : 118 individuals. CNCR 34808 . Tr-Loc : M44- El Palmar , Yucatan , Mexico 21°7’31.09’’N 90°9’6.3’’W , one ♀ , 7 May 2005 , 26 November 2005 , 11 March 2006 , coll. AV, SP ; Tr-Loc: M49-Telchac, Yucatan , Mexico 21°20’41.1’’N 89°15’53.236’’W , one ♂ , one man., 8 May 2005 , 27 November 2005 , 12 March 2006 , coll. AV, SP ; Tr-Loc: M50-Chabihau, Yucatan , Mexico 21°22’4.329’’N 89°4’13.659’’W , 15 ♀ , one ♀ m, one ♂ , six juv, ten man., 20 May 2005 , 27 November 2005 , 12 March 2006 , coll. AV, SP ; Tr-Loc: M51-Santa Clara, Yucatan , Mexico 21°23’41.709’’N 88°53’21.159’’W , five ♀ , one ♀ m, two ♂ , three juv, five man., 20 May 2005 , 27 Novem- ber 2005, 12 March 2006 , coll. AV, SP ; Tr-Loc: M52-Dzilam, Yucatan , Mexico 21°25’57.859’’N 88°44’7.216’’W , two ♀ , two man., 15 May 2005 , 13 November 2005 , 13 March 2006 , coll. AV, SP ; Tr-Loc: M54-Dzilam, Yucatan , Mexico 21°32’35.659’’N 88°29’57.616’’W , 32 ♀ , five ♀ m, one ♂ , one juv, five man., 15 May 2005 , 13 November 2005 , 13 March 2006 , coll. AV, SP ; Tr-Loc: M55-Dzilam, Yucatan , Mexico 21°34’3.9’’N 88°22’39.608’’W , 14 ♀ , one ♂ , one juv, two man., 15 May 2005 , 13 November 2005 , 13 March 2006 , coll. AV, SP ; collected at depths of 0.5–3 m , in coarse sand, medium sand, fine sand, and very fine sand, with Caulerpa , H. wrightii , Syringodium , and T. testudinum . Local distribution. ( Table 1 , Fig. 2 ). Geographical distribution. Atlantic Ocean: east coast of Florida; GoM: south and west coast of Florida; Caribbean Sea: north of San Cristobal , southwest of La Parguera, Puerto Rico , Quintana Roo coast, Mexico , Caiman Islands. Recognition characters. Female: antennule short with the first article wider than long; carapace with a transverse dorsal suture and other perpendicularly in the distal part indicating the second thoracomere divided into two plates; margin of maxilliped with four or five pairs of long simple setae; uropodal endopod with four articles. Male : eyes bigger than females; antennule with three articles in peduncle and 10–13 articles in flagellum, with aesthetasc bundles throughout the entire flagellum (except the terminal article); chela carpo-chelate (hook form), with a prominent carpal process, fixed finger reduced, about a quarter the length of the dactylus, with a small tooth on the inner proximal margin; uropodal endopod with four articles. Remarks. This species has its geographical range extended to the southeastern GoM ( Mexico ). It is frequently associated with mangrove roots, coral rocks, sponges, algae. It lives on soft bottoms, at depths 0 to 12.2 m . References. Heard et al . (2004) ; Suárez-Morales et al . (2004) ; García-Madrigal et al . (2005) ; Bamber (2013) ; Morales- Núñez et al . (2013).