Pagurus

Nucci, Paulo Ricardo & Melo, Gustavo Augusto Schmidt De, 2007, Hermit crabs from Brazil. Family Paguridae (Crustacea: Decapoda: Paguroidea): Genus Pagurus, Zootaxa 1406, pp. 47-59 : 48

Key to species of genus Pagurus from Brazil

1. Length of ocular peduncle (including corneae) less than 3 times diameter of cornea................................. 2

- Length of ocular peduncle (including corneae) equal to or longer than 3 times diameter of cornea ......... 5

2. Ultimate segment of antennular peduncles as long as ocular peduncles (including corneae) ..... P. heblingi

- Ultimate segment of antennular peduncles shorter than ocular peduncles (including corneae).................. 3

3. Carpus of right cheliped with strong oblique carina ................................................................... P. limatulus

- Carpus of right cheliped without oblique carina..........................................................................................4

4. Right cheliped with carpus covered by denticles ..................................................................... P. longimanus

- Right cheliped with carpus covered by conical or rounded tubercles ............................................... P. exilis

5. Ocular acicles with 1 spine ..................................................................................................... P. criniticornis

- Ocular acicles with more than 1 spine......................................................................................................... 6

6. Antennal peduncles overreaching ocular peduncles. Antennal flagellum with long setae ........... P. leptonyx

- Antennal peduncles equal to or shorter than ocular peduncles. Antennal flagellum with short setae......... 7

7. Chelipeds covered by short, dense setae................................................................................. P. provenzanoi

- Chelipeds covered by long, scattered setae .......................................................................... P. brevidactylus