title: Rediagnosis of Callianideidae and its genera (Crustacea: Decapoda: Axiidea), and description of a new species of Heardaxius Sakai, 2011.
abstract: Callianideidae and Thomassiniidae, two families of Axiidea, are synonymised and Callianideidae diagnosed. The six genera, Callianidea H. Milne Edwards, 1837, Crosniera Kensley & Heard, 1991, Mictaxius Kensley & Heard, 1991, Heardaxius Sakai, 2011, Paracallianidea Sakai, 1992 and Thomassinia de Saint Laurent, 1979 are diagnosed and all species listed. Garyia Sakai, 2011 is synonymised with Thomassinia. A key to genera is provided. A new species Heardaxius rogerbamberi is described from Papua New Guinea. Thomassinia aimsae Poore, 1997 is newly recorded from Papua New Guinea.
authors.affiliation: Museum Victoria, GPO Box 666, Melbourne, Vic. 3001, Australia; Email: gpoore@museum.vic.gov.au.
authors.forename: Gary C B
authors.initials: GC
authors.lastname: Poore
mesh_terms: D063147:Animal Distribution; D000825:Animal Structures / Q000033:anatomy & histology / Q000254:growth & development; D000818:Animals; D049628:Body Size; D033364:Decapoda / Q000033:anatomy & histology / Q000145:classification* / Q000254:growth & development; D005260:Female; D008297:Male; D009929:Organ Size; D010219:Papua New Guinea