Tethorchestia antillensis Bousfield, 1984

(Fig. 22)

Tethorchestia antillensis Bousfield, 1984: 205 .— Ciavatti, 1989: 139, figs 12–14.— Lindeman, 1991: 1105, table 1.— Bousfield & Poinar, 1995: 751, fig. 3.— Varela, Ortiz & Lalana, 2003: 74.— Lalana, Ortiz & Varela, 2005: 53.— LeCroy et al., 2009: 962.— Ortiz & Lalana, 2010: 87.— LeCroy, 2011: 759, fig. 589.— Paz-Ríos et al., 2013: 183, table 2, 186, fig. 2K.— Wildish & Martell, 2013: 314, fig. 3, 315.— Wildish & LeCroy, 2014: 558, figs 1, 2, 569, key.— Wildish et al., 2016: 1916, table 1, 1920.— Paz-Ríos et al., 2018: 8, table 1.— Lowry & Myers, 2019: 84, figs 38, 39.— Ortiz & Lalana, 2019: 68.

Thetorchestia (sic) antillensis .— Ortiz, Martin & Diaz, 2007: 516.

Types. Holotype, 12.0 mm, NMNS . Paratypes, female (ovigerous), 11.0 mm, NMNS; several male, female, and immature specimens, NMNS.

Type locality. Ascension Bay, Quintana, Yucatan Peninsula, Mexico .

Ecological type. Beach-hopper.

Habitat. Marine supralittoral, sand beach inside reef.

Diagnosis (male). Based on Ciavatti (1989).

Gnathopod 2 dactylus attenuated distally. Pereopod 6 male merus and carpus not expanded. Pereopod 7 basis moderately expanded. Telson with 7 robust setae per lobe.

Remarks. Tethorchestia antillensis and T. karukerae are very similar. They show subtle differences in the shape of the gnathopod 2 dactylus and the articles of pereopods 6 and 7, but differ mainly in the number of setae on the telson.

Distribution. Ascension Bay, Mexico (Bousfield 1984). Caribbean Sea (Ciavatti 1989). Florida, Yucatan (Mexico), Petites Antilles (according to Ciavatti 1989).