Typton distinctus Chace 1972
Description
Typton distinctus Chace, 1972
T ypton carneus — Holthuis, 1951:162 [in part].
Typton distinctus — Chace, 1972:49; Abele & Kim, 1986:17; Ramos-Porto & Coelho, 1998:340; Coelho et al., 2006:51.
Diagnosis. Rostrum short, spinelike, reaches the base of cornea in females, more elongate in males, dorsal and ventral margins unarmed, ventral margin faintly convex. Basal segment of antennular peduncle with stylocerite short and acute, not reaches the halfway the segment, without anterolateral spine. Scaphocerite reduced to minute oval form. Mandible without palp and with incisor process reduced. First pair of pereopod overreaching the antennular peduncle with part of carpus, fingers smaller than palm. Second pair of pereopods unequal in shape and size. Major pereopod overreaching the antennular peduncle with the chela. Minor pereopod overreaching the antennular peduncle with part of carpus, finger smaller than palm, cutting edge of dactylus with a strong tooth on proximal part and fixed finger with elongate lobe. Third to fifth pereopods with bifid dactyli. Abdomen with all somites rounded. Telson with 2 pairs of dorsal spines and 3 pairs of spines on posterior margin.
Distribution. Western Atlantic: USA (Florida), Mexico (Bahia de La Ascensión), Cuba (Los Arroyos), Brazil (Pernambuco) (Figure 22). (Chace, 1972; Coelho et al., 2006).
Material examined. None.
Ecological notes. The species occurs in shallow waters associated with sponges (Chace, 1972; Ramos-Porto & Coelho, 1998).
Notes
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Linked records
Additional details
Identifiers
Biodiversity
- Family
- Palaemonidae
- Genus
- Typton
- Kingdom
- Animalia
- Order
- Decapoda
- Phylum
- Arthropoda
- Scientific name authorship
- Chace
- Species
- distinctus
- Taxon rank
- species
- Taxonomic concept label
- Typton distinctus Chace, 1972 sec. Vieira, Ferreira & D'Incao, 2012
References
- Chace Jr, F. A. (1972) The shrimps of the Smithsonian Caribbean Expeditions with a summary of the west Indian shallowwaters species (Crustacea, Decapoda, Natantia). Smithsonian Contributions to Zoology, 98, 1 - 179.
- Holthuis, L. B. (1951) A general revision of the Palaemonidae (Crustacea Decapoda Natantia) of the Americas. I. The subfamilies Euryrhynchinae and Pontoniinae. Occasional Papers of the Allan Hancock Foundation, 11, 1 - 332.
- Abele, L. G. & Kim, W. (1986) An illustrated guide to the marine decapod crustaceans of Florida. Florida State Department Environmental Regulation. Technical Series, 8 (1), 1 - 760.
- Ramos-Porto, M. & Coelho, P. A. (1998) Malacostraca. Eucarida. Caridea (Alpheoidea excluded). In: Young, P. S. (Ed.), Catalogue of Crustacea of Brazil. Serie Livros, Museu Nacional do Rio de Janeiro, 6, 325 - 330.