6 - Sphaeromatidae::“Cute As Buttons”

78 ASELLOTA • GNATHOSTENETROIDIDAE
Figure 35. Atlantasellus cavernicolus: A, 9; B,
pereopod 1. (From Sket, 1979).
bearing row of nine more slender spines, posterior margin setose. 9: Oper­
culum with distal incision acute.
RECORDS Florida Middlegrounds, Gulf of Mexico, 55 m.
REMARKS The type of the genus, and only other species known, G. laodicense
Amar, 1957, was recorded from the Mediterranean Sea. This species is in­
cluded here, as several of the species first recorded from the Florida Mid­
dlegrounds (Hooker, 1985) have since been recorded from the Caribbean.
Neostenetroides Carpenter and Magniez, 1982
DIAGNOSIS Pleonites 1 and 2 very short. Operculum of 9 subcircular.
Pleopod 2 in 6 with elongate protopodite, copulatory organ prolonged by
hyaline tonguelike structure. Pleopod 4, exopod ovate, wider than endopod.
Neostenetroides stocki Carpenter and Magniez, 1982
Figure 36D,E
DIAGNOSIS 6 1.46 mm, 9 1.87 mm. Eyes absent. Rostrum well developed,
anteriorly rounded/truncate. Pleotelson wider than long, lateral margins en­
tire, posterior margin regularly convex. Pereopod 1, propodus elongate, wid­
ening distally, palm poorly demarked, with few spines; dactylus stout, over­
lapping palm. Uropods unknown.
RECORDS San Salvador, Bahamas, from Dixon Hill Lighthouse Cave.