| Character | S. irakiensis | S. irinae | S. nhatrangensis | S. andamanensis | S. lowryi sp. nov. |
|---|---|---|---|---|---|
| Stenothoe irakiensis Salman, 1985 (junior synonym: S. gallensis Walker, 1904); S. irinae Marin & Sinelnikov, 2018; S. nhatrangensis Marin & Sinelnikov, 2018; S. andamanensis Krapp-Schickel, 2015. | |||||
| Maxilla 2 outer plate | separated | fused | fused | separated | separated |
| Gnathopod 2 palmar margin (male) | moderately concave | convex | concave | moderately concave | moderately convex |
| Coxa 2 posterior margin | n/a | rounded | rounded | rounded and concave | straight |
| Uropod 2 rami medial margin setae | 2 or more robust setae | 1 robust setae | 2 or more robust setae | 2 or more robust setae | 1 robust seta |
| Uropod 3 article length | article 2 slightly longer than article 1 | subequal | article 2 distinctly longer than article 1 | articles subequal | article 2 distinctly longer than article 1 |
| Uropod 3 article 2 surface | rugose | rugose | not rugose | rugose | not rugose |