Triodonthea, Macpherson, Enrique & Robainas-Barcia, Aymee, 2013

Macpherson, Enrique & Robainas-Barcia, Aymee, 2013, A new genus and some new species of the genus Lauriea Baba, 1971 (Crustacea, Decapoda, Galatheidae) from the Pacific and Indian Oceans, using molecular and morphological characters, Zootaxa 3599 (2), pp. 136-160 : 138-139

Key to species of Lauriea and Triodonthea n. gen.

1. P2–4 dactyli triunguiculate............................................................... Triodonthea setosa

– P2–4 dactyli biunguiculate.............................................................................. 2

2. Eyestalks elongate, fully twice as long as wide. Antennular article 1 without distomesial spine................ L. siagiani

– Eyestalks about 1.5 times longer than wide. Antennular article 1 with distomesial spine.............................. 3

3. P2–4 meri with the extensor margin sharply ridged and lateral side with few setose striae............................. 4

– P2–4 meri with the extensor margin more or less rounded (in cross-section) and lateral side with numerous setose striae.... 5

4. Eye 1.8 times longer than wide..................................................................... L. crucis

– Eye at most 1.5 times longer than wide............................................................. L. teresae

5. Distomesial spine of antennal article 2 reaching end of article 3. Rostrum dorsally flattish on distal portion; rostral spine and distal-most lateral teeth with convex lateral margins.......................................................... 6

– Distomesial spine of antennal article 2 clearly exceeding article 3. Rostrum slightly concave on distal portion; rostral spine and distal-most lateral teeth with straight lateral margins.......................................................... 7

6. Antennal article 1 with ventromesial process overreaching end of article 2. Ground colour of carapace, abdomen and P1–4

brownish or whitish, without coloured spots; P1 fingers without red and white bands......................... L. adusta – Antennal article 1 with ventromesial process not reaching or at most reaching end of article 2. Ground colour of carapace and abdomen brownish or whitish, with some small red spots on carapace, abdomen and P1–4; P1 fingers with red and white bands............................................................................................ L. punctata 7. Eye not reaching or at most reaching end of antennal peduncle. Ground colour of carapace and abdomen whitish, with numerous minute brown spots........................................................................ L. gardineri

– Eye exceeding antennal peduncle. Ground colour of carapace and abdomen whitish, with some yellow spots circled by brown on carapace and abdomen....................................................................... L. simulata