Tethorchestia antillensis Bousfield, 1984

Lowry, J. K. & Myers, A. A., 2022, Platorchestiinae subfam. nov. (Amphipoda, Senticaudata, Talitridae) with the description of three new genera and four new species, Zootaxa 5100 (1), pp. 1-53 : 40

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).

Figures

FIGURE 22. Tethorchestia antillensis Bousfield, 1984, after Wildish & LeCroy, 2014.