Sanchoidae Lowry, 2006

Type species. Sancho Stebbing, 1887.

Diagnostic description. Body dorsoventrally flattened. Eyes well developed, round or ovoid. Antennae 1–2 calceoli absent. Antenna 1 subequal in length to, or longer than antenna 2; peduncular article 1 longer than article 2; article 2 longer than article 3; article 3 shorter than article 1; peduncular articles 1–2 not geniculate; accessory flagellum minute. Antenna 2 peduncular article 1 not enlarged. Mandible molar triturating; palp symmetrical. Maxilla 1 basal endite apically setose; palps symmetrical. Maxilla 2 basal endite without oblique setal row. Labium inner lobes vestigial or absent. Coxal gills on pereopods 2–6, not stalked; sternal gills absent; sternal blisters absent; oostegites fringing setae simple. Gnathopod 1 subchelate; smaller (or weaker) than or similar in size to gnathopod 2; similar in males and females (not sexually dimorphic); propodus palm without robust setae along palmar margin. Gnathopod 2 subchelate; dissimilar in males and females (sexually dimorphic); carpus not produced along posterior margin of propodus, projecting between merus and propodus. Pereopods 3–4 not sexually dimorphic. Pereopod 4 with well developed posteroventral lobe. Pereopod 5 shorter than pereopod 6; coxa equilobate or with posteroventral lobe. Pereopod 7 longer than pereopod 5. Pleonites 1–3 without dorsal carinae. Urosomites 1–3 free; without slender or robust dorsal setae. Urosomite 1 without large distoventral robust seta. Urosomite 2 without dorsal setae. Uropod 1 without basofacial robust setae. Uropod 3 not sexually dimorphic; biramous, without plumose setae; endopod longer than exopod. Telson notched, emarginate or entire; dorsal or lateral robust setae absent; apical robust setae absent.

Habitat. Marine, epigean.

Included genera. Choroes Stebbing, 1888; Sancho Stebbing, 1897.

Remarks. Sanchoids are associated with sponges (Lowry & Barnard 2001).

Distribution. South-eastern Australia (endemic).