Dasycaris ceratops Holthuis 1952

Dasycaris ceratops Holthuis, 1952

Dasycaris ceratops Holthuis, 1952c:176, figs. 87, 88 [type locality: Bomeo Bank, Makassar Strait, Indonesia; 2°25′S, 117°43′E; 50–40 m; fine coral sand].

DIAGNOSIS.—Rostrum unarmed over anterior of length; 5 teeth in dorsal mid-line of rostrum and carapace, 2nd, 3rd, and 4th teeth broadly compressed, acute, forming basal rostral crest; adult female with pleura of 3rd to 5th abdominal somites produced into prominent acute projections; eye with cornea bearing conical prominence; uropod with lateral branch bearing only lateral movable spine unaccompanied by fixed lateral tooth; postorbital carapace length 3 mm.

RANGE.—Zanzibar Harbour (on Pteroeides, Scleroblemnon, and Virgularia) and Makassar Strait, Indonesia; about 50 m.

Hamodactylus Holthuis, 1952

Hamodactylus Holthuis, 1952c:6, 18, 208 [type species, by original designation: Hamodactylus boschmai Holthuis, 1952c:209; gender: masculine].

DIAGNOSIS.—Rostrum reaching nearly to or beyond end of anteriorly extended eyes, compressed laterally, armed dorsally with 4–6 distinct teeth, ventrally with none, lateral carina not strong, forming indistinct, unarmed, and shallow eave postocularly; carapace about as wide as high, dorsal profile very slightly convex or sinuous, without longitudinal ridge or suture, armed with antennal, immovable hepatic, and sometimes supraorbital spines, orbital margin not interrupted posteriorly; telson not curving ventrad, posterior margin not incised, posterior spines not curved ventrad, dorsolateral spines very small; antennal scale well developed, distolateral spine not nearly reaching level of distal margin of blade; mandible without palp; 3rd maxilliped without exopod; 4th thoracic sternite without slender median process; 1st pereopod with carpus entire, not subdivided; 2nd pereopods similar, sometimes unequal, fingers not provided with socket or plunger, movable finger not semicircular; 3rd pereopod composed of 7 segments, merus and ischium not fused, dactyl simple, not biunguiculate, merus unarmed on flexor margin; uropod with lateral branch bearing movable spine, without fixed tooth lateral thereto; associated with alcyonarians.

RANGE.—Red Sea, Kenya, Tanzania, Madagascar, Hong Kong, Singapore, Indonesia, Australia, and New Caledonia; 4–27 m.