FIGURE 9. Triacanthoneus alacranes n. gen., n in A new genus and three new species of alpheid shrimps (Crustacea, Decapoda, Caridea) from the tropical American coasts

FIGURE 9. Triacanthoneus alacranes n. gen., n. sp., holotype, ovigerous female (CL 3.7 mm) from Alacranes Reef, Yucatán, Mexico, UNAM-CNCR 26177: A, left (major) cheliped, lateral; B, same, carpus and chela, mesial; C, same, chela fingers; D, right (minor) cheliped, lateral; E, same, chela, mesial; F, second pereiopod, lateral; G, third pereiopod, lateral; H, same, distal propodus and dactylus; I, fifth pereiopod, lateral; J, same, distal propodus and dactylus, mesial.