Mithracidae Balss, 1929

Alves, Maria De Lourdes, Ramos-Porto, Marilena & Viana, Girlene Fábia Segundo, 2008, Checklist of the Decapods (Crustacea) from the Fernando de Noronha Archipelago, Brazil, Zootaxa 1881, pp. 43-68 : 58-60

Family Mithracidae Balss, 1929

Macrocoeloma septemspinosum (Stimpson, 1871) Diagnosis: Melo, 1996:219.

Previous record: Coelho-Filho, 2006:19.

Macrocoeloma subparallelum (Stimpson, 1860)

Diagnosis: Melo, 1996:220.

Previous records: Melo, 1996:220, 1998:463; Coelho et al., 2002:444.

Macrocoeloma trispinosum (Latreille, 1825)

Diagnosis: Melo, 1996:221.

Previous records: Moreira, 1901:64; Coelho and Ramos, 1972:217; Melo, 1996:221, 1998: 463; Coelho et al., 2002:444 [as Macrocoeloma trispinosum nodipes (Desbonne) ]; Melo and Veloso, 2005:799.

Microphrys bicornutus (Latreille, 1825)

Diagnosis: Melo, 1996:224.

Previous records: Pocock, 1890:507; Coelho, 1967 /69: 237; Coelho and Ramos, 1972:216; Fausto Filho, 1974:18; Williams, 1984:330; Melo, 1996:224, 1998:464; Coelho et al., 2002:444; Melo and Veloso, 2005:799.

Examined material: NOV/91: Praia da Atalaia, 1 male, 1 female; Praia do Leão, 2 males, 2 females. JAN/ 92: Praia do Boldró, 3 males, 1 female (ovigerous); Praia da Conceição, 1 male, 1 female; Praia do Cachorro, 2 males, 1 female. MAR/92: Praia do Porto, 5 males, 3 females; Baía do Sueste, 5 females. JAN/92: Praia da Caieira, 2 males, 2 females (1 ovigerous). AUG/92: Praia da Atalaia, 8 specimens. DEC/92: Praia do Porto, 1 male, 1 female. MAR/93: Praia da Atalaia, 1 female (ovigerous). JUN/93: Praia da Atalaia, 3 specimens. JAN/2000: Praia da Atalaia, 2 specimens; Praia da Caieira, 2 males, 1 female (ovigerous); Praia do Leão, 3 males, 1 female, 6 exuvias.

Habitat: On seaweed ( Sargassum sp.); in the interior of rocky blocks; in pools in the intertidal zone; in reef environments.

Observation: Found in almost all the beaches and islands of the archipelago.

Mithraculus coryphe (Herbst, 1801)

Diagnosis: Melo, 1996:228.

Previous records: Pocock, 1890:510 [as Mithrax (Mithraculus) coronatus (Herbst, 1782) ]; Coelho and Ramos, 1972:216; Melo, 1996:228, 1998: 464; Coelho et al., 2002:444.

Mithraculus forceps (A. Milne Edwards, 1875)

Diagnosis: Melo, 1996:229.

Previous records: Coelho, 1967 /69: 237; Coelho and Ramos, 1972:216; Williams, 1984:337 [as Mithrax (Mithraculus) forceps ]; Melo, 1996:229, 1998:465; Coelho et al., 2002:444; Melo and Veloso, 2005:799; Coelho-Filho, 2006:19.

Examined material: JUN/92: Praia do Porto, 1 male, 1 female. AUG/92: Praia da Atalaia, 1 male; Baía do Sueste, 1 female (ovigerous). DEC/92: Praia da Caieira, 1 male.

Habitat: Under rocks; in bottom sand-muddy, sand-slimy; in reefs environments.

Observations: brownish coloration.

Mithraculus sculptus (Lamarck, 1818)

Diagnosis: Melo, 1996:230.

Previous records: Moreira, 1901:63 [as Mithrax sculptus (Lamarck, 1818) ]; Coelho et al., 2002:444. Mithrax verrucosus H. Milne Edwards, 1832

Diagnosis: Williams, 1984:336, figs.271-275c.

Previous records: Pocock, 1890:507; Coelho, 1967 /69: 237; Coelho and Ramos, 1972:215; Williams, 1984:336; Abele and Kim, 1986:47; Melo, 1996: 239, 1998:466; Coelho et al., 2002:444.

Examined material: MAR/92: Praia do Boldró, 1 male, 1 female. JUN/92: Praia do Porto, 2 males, 1 female. AUG/92: Baía do Sueste, 1 male. MAR/93: Praia do Leão, 2 females (1 ovigerous).

Habitat: Intertidal pool in surface covered for seaweed; on reefs; inside of rocky blocks.

Nemausa acuticornis (Stimpson, 1870) Diagnosis: Melo, 1996: 241.

Previous record: Coelho-Filho, 2006:20.

Nemausa cornutus (de Saussure, 1857) Diagnosis: Melo, 1996:242.

Previous record: Coelho-Filho, 2006:20.

Stenocionops spinimana (Rathbun, 1892) Diagnosis: Melo, 1996:245.

Previous record: none.

Teleophrys pococki Rathbun, 1924

Diagnosis: Melo, 1996:249.

Previous records: Pocock, 1890:508 (as Mithrax (Teleophrys) cristulipes ) Stimpson, 1862] Coelho and Ramos, 1972:214; Melo, 1996:249, 1998:468; Coelho et al., 2002:444.