TABLE 4 in Revalidation of the two upogebiid mud shrimp species, Upogebia foresti Ngoc-Ho, 1989 and Upogebia rupicola Komai, 2005, removed from the synonymy of Upogebia carinicauda (Stimpson, 1860) (Decapoda: Gebiidea)

TABLE 4. Summary of distinguishing characters among Upogebia carinicauda (Stimpson, 1860), U. foresti Ngoc-Ho, 1989 and U. rupicola Komai, 2005. Characters/speciesUpogebia carinicaudaUpogebia forestiUpogebia rupicolaSpines or tubercles on carapace lateral gastric ridgeLess pronounced, only anterior one or two spiniform (Fig. 3A)Less pronounced, only anterior one or two spiniform (Fig. 6A)Generally more pronounced, particularly anterior four or five spines salient (Komai 2005: fig. 1A)Structure of first pereopodSubchelate, fixed finger distinctly shorter than dactylus, triangular (Fig. 4A–C, F)Subchelate, fixed finger distinctly shorter than dactylus, triangular (Fig. 7A–C, E)Fully chelate, fixed finger as long as or slightly longer than dactylus, sometimes arcuate (Komai 2005: fig. 4A, B, D, E)First pereopod carpus dorsomesial distal spineRelatively long and slender (Fig. 4C, D)Relativey short and stout (Fig. 7C, D)Relatively long and slender (Komai 2005: fig. 4A, D)First pereopod palm dorsal surfaceArmed with a row of small spines or tubercles decreasing in size and sharpness proximally or only with few small spines or tubercles distally (Fig. 4A, C, E)Unarmed (Fig. 7C)Armed with a row of small but distinct spines over entire length (Komai 2005: fig. 4A, D)First pereopod palm mesial dactylar condyleArmed with spine (Fig. 4F)Unarmed (Fig. 7E)Armed usually with spine (Komai 2005: fig. 4A, C)First pereopod palm ventral marginArmed with prominent spine (Fig. 4B, C)Unarmed (Fig. 7B, C)Armed with 1 or 2 prominent spines (Komai 2005: fig. 4A, D)First pereopod fixed finger occlusal marginWith triangular, subacute teeth (Fig. 4F)With obsolescent teeth (Fig. 7E)With blunt but distinct teeth (Komai 2005: fig. 4B, E)Third pereopod merusArmed with short multidenticulate ridges on lateral surface ventrally and row of small spines on proximal half of ventral margin (Fig. 5B)Unarmed on lateral surface and ventral margin (Fig. 7G)Armed with minute multidenticulate ridges on lateral surface ventrally but no conspicuous spines on ventral margin (Komai 2005: fig. 3C)Uropodal endopod posterolateral angleNarrowly produced (Fig. 3E)Not particularly produced (Fig. 6E)Narrowly produced (Komai 2005: fig. 1H)Uropodal exopod posterior marginArmed with distinct denticles or spinules (Fig. 3E)Armed with microscopic denticles (Fig. 6E, F)Armed with microscopic denticles (Komai 2005: fig. 1H)