Triacanthoneus, Anker, Arthur, 2010

Anker, Arthur, 2010, A new genus and three new species of alpheid shrimps (Crustacea, Decapoda, Caridea) from the tropical American coasts, Zootaxa 2652, pp. 47-63 : 62

publication ID

https://doi.org/ 10.5281/zenodo.198863

DOI

https://doi.org/10.5281/zenodo.6206923

persistent identifier

https://treatment.plazi.org/id/039F5848-FF97-FFED-E5F3-FD3FFA5DCA62

treatment provided by

Plazi

scientific name

Triacanthoneus
status

gen. nov.

Key to the presently known species of Triacanthoneus View in CoL n. gen.

1. Dorsolateral teeth of carapace situated only slightly anterior and ventral to mediodorsal tooth; orbital teeth present; dorsal spiniform setae of telson small, both situated in posterior half of telson; cheliped ischia with two spiniform setae [Western Atlantic: Gulf of Mexico] .................................................................. Triacanthoneus alacranes View in CoL n. sp.

- Dorsolateral teeth of carapace situated distinctly anterior and more ventral to mediodorsal tooth; orbital teeth absent; dorsal spiniform setae of telson strong, anterior pair situated in anterior half of telson; cheliped ischia with three spiniform setae ............................................................................................................................................................. 2

2. Major chela with fingers shorter than palm; subapical dent of rostrum directed ventrally; mediodorsal tooth distinctly posterior to mid-length of carapace [Eastern Pacific: Panama, Colombia] ....... Triacanthoneus pacificus View in CoL n. sp.

- Major chela with fingers longer than palm; subapical dent of rostrum directed anteriorly; mediodorsal tooth slightly posterior to mid-length of carapace [Western Atlantic: Caribbean Sea] ............................... Triacanthoneus toro View in CoL n. sp.

Kingdom

Animalia

Phylum

Arthropoda

Class

Malacostraca

Order

Decapoda

Family

Alpheidae

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