Lysiosquilla Dana, 1852

Lysiosquilla Dana, 1852 View in CoL View at ENA

Lysiosquilla Dana, 1852: 615 View in CoL . [ Type species Lysiosquilla inornata Dana, 1852 , a junior subjective synonym of Lysiosquilla scabricauda ( Lamarck, 1818) , by subsequent designation by Fowler (1912: 539). Gender feminine].

Lysiosquillina Manning, 1995: 133 View in CoL . [ Type species Squilla maculata Fabricius, 1793 , by original designation. Gender feminine].

Diagnosis. Rostral plate anteriorly smooth or with low median carina, without median groove. Eye large, T-shaped, cornea strongly bilobed, medial lobe rounded. Antennular peduncle article 1 weakly crested laterally; article 2 subcylindrical. Antennal protopod medially unarmed, with short blunt lobe or short anteromesial spine anterior to mesial papilla. Mandibular palp present or absent. Telson SM teeth with fixed apices in adults; SM denticles absent in adults; median boss without posterior spine or lobe.

Composition. Lysiosquilla campechiensis Manning, 1962b ; L. capensis Hansen, 1895 ; L. colemani Ahyong, 2001 ; L. glabriuscula ( Lamarck, 1818) ; L. hoevenii ( Herklots, 1851) ; L. isos Ahyong, 2004 ; L. lisa ( Ahyong & Randall, 2001) .; L. maculata ( Fabricius, 1793) ; L. manningi Boyko, 2000 ; L. monodi Manning, 1977a ; L. panamica Manning, 1971c ; L. scabricauda ( Lamarck, 1818) ; L. sulcata Manning, 1978d ; L. sulcirostris Kemp, 1913 ; L. suthersi Ahyong, 2001 ; L. tredecimdentata Holthuis, 1941 .

Remarks. Due to the recent synonymy of Lysiosquillina with Lysiosquilla , 16 species are recognised worldwide, including the four species previously considered Lysiosquillina : L. glabriuscula , L. lisa , L. maculata , and L. sulcate . Of the nine species known from the Indo-West Pacific, three occur in the Western Indian Ocean from the south and east coasts of South Africa. One species of Lysiosquilla is endemic to South Africa with a range that extends along the east and south coasts to False Bay on the south-west.

Key to the South African species of Lysiosquilla View in CoL

1. Rostral plate dorsally smooth, without carinae or grooves. Mandibular palp present......................... L. capensis

– Rostral plate with median carina and/or grooves............................................................. 2

2. TS8 sternal keel ( Fig. 20B View FIGURE 20 ) a posteriorly directed spine with sharp apex............................ L. tredecimdentata

– TS8 sternal keel ( Fig. 19B View FIGURE 19 ) rounded............................................................. L. maculata