Sphaeroma quadridentatum (Say, 1818)

Khalaji-Pirbalouty, Valiallah & Gagnon, Jean-Marc, 2023, Illustrated catalogue of sphaeromatoid isopods (Crustacea, Malacostraca) in the Canadian Museum of Nature (CMN), Zoosystematics and Evolution 99 (2), pp. 375-389 : 375

Sphaeroma quadridentatum (Say, 1818)

Fig. 4E

Sphaeroma quadridentata Say, 1818: 400-401; De kay 1844: 44; White 1847: 102; Harger 1873 in Verrill, Smith and Harger 1873: 275, pl.5, fig. 21; Kensley and Schotte 1989: 234, fig. 10.

Sphaeroma quadridentatum .- Harger 1880: 368-370, pl. 9, figs. 53, 54; Smith 1964: 103, pl. 15, fig. 27; Miller 1968: 8, fig. 3; Schultz 1969: 128, fig. 183; Kussakin 1971: 394, fig. 248;

Type locality.

Saint Catherine’s Island, Georgia.

Material examined.

USA. 4 ♂♂ (up to 6 mm) ; 2 ♀♀ (up to 5 mm); Virginia, Gloucester ; 17 Apr. 1975; E. L. Bousfield leg.; CMNC 1992-0583 . 4 ♂♂ (up to 6 mm); 8 ♀♀ (up to 5 mm); Pawley’s Greek, Carolina ; 17 Mar. 1915; E. L. Bousfield leg.; CMNC 2023-0250 . 2 ♂♂ (up to 6 mm); 3 ♀♀ (up to 5.5 mm); South Carolina; 16 May 1975; D.R. Calder leg.; CMNC 2023-0251 .

Distribution.

Georgia, Florida, Long Island Sound, Connecticut, New Haven County, West Haven, Savin Rock. It is common on the southern shore of New England ( Harger 1880; Kensley and Schotte 1989).

Figures

Figure 4. Paracerceis sculpta (Holmes, 1904), male, (CMNC 1992 - 0513). A. Dorsal view; B. Lateral view. Paradella dianae (Menzies, 1962), male, (CMNC 1990 - 0073); C. Dorsal view; D. Pleotelson, dorsal view; E. Sphaeroma quadridentatum (Say, 1818); F. Sphaeroma terebrans, Bate 1866. Tecticeps convexus Richardson, 1899, male, (CMNC 1992 - 0541); G. Dorsal view; H. Head ventral view.