Mesotheres unguifalcula ( Glassell, 1936 ) Ng & Ahyong & Campos, 2019

Ng, Peter K. L., Ahyong, Shane T. & Campos, Ernesto, 2019, Two new genera of pinnotherid crabs (Crustacea: Brachyura: Pinnotheroidea) from the Americas and the Western Pacific, Raffles Bulletin of Zoology 67, pp. 337-351 : 345

publication ID

https://doi.org/ 10.26107/RBZ-2019-0025

publication LSID

lsid:zoobank.org:pub:F42718C4-F0F4-4D75-80C3-2D155B5B8448

DOI

https://doi.org/10.5281/zenodo.4575914

persistent identifier

https://treatment.plazi.org/id/03D987ED-FFB2-8B71-12C4-495E24D1F873

treatment provided by

Carolina

scientific name

Mesotheres unguifalcula ( Glassell, 1936 )
status

comb. nov.

Mesotheres unguifalcula ( Glassell, 1936) View in CoL new combination

Pinnotheres unguifalcula Glassell, 1936: 298 View in CoL , pl. 21 fig. 2; Schmitt et al., 1973: 26.

Orthotheres unguifalcula View in CoL — Campos, 1989: 1125, figs. 2, 3; Ng et al., 2008: 250; Campos, 2018: 386, fig. 1D.

Material examined. USNM, 2 females, host unknown, Punta (Puerto) Peñasco , Sonora, México, coll. S.A. Glassell , no date; USNM 1447261 About USNM , 2 females, CES IRN 11738697, Gulf of California, Mexico, Sonora, Punta ( Puerto ) Penasco , 31°19′N 113°32′W, coll. S. Glassell, 2 April 1937 GoogleMaps ; USNM 1447260 About USNM , 1 female, CES IRN 11738696, Gulf of California, Mexico, Sonora, Punta ( Puerto ) Penasco , 31°19′N 113°32′W, coll. S. Glassell, 3 May 1935 GoogleMaps ; USNM 1447262 About USNM , 1 About USNM ovigerous female, CES IRN 11738699, Mexico, Guerrero, Acapulco , 16°50′47″N 99°52′39″W, coll. E. Huffman, 22 December 1937 GoogleMaps .

Diagnosis. Carapace glabrous, convex in all directions. Carapace frontal margin glabrous, short pubescence on upper margins of meri of P2 and P3, and anterior lower margin of carpus and propodus of P2. Eyes and front not visible in dorsal view; front distinctly deflexed, defined by convex median projection in frontal view. P2–P4 similar, slender; P5 remarkably shorter, narrower than other legs.

Remarks. Campos (1989) treated the taxonomy of this species at length and is therefore not elaborated on here.

USNM

Smithsonian Institution, National Museum of Natural History

Kingdom

Animalia

Phylum

Arthropoda

Class

Malacostraca

Order

Decapoda

Family

Pinnotheridae

Genus

Mesotheres

Loc

Mesotheres unguifalcula ( Glassell, 1936 )

Ng, Peter K. L., Ahyong, Shane T. & Campos, Ernesto 2019
2019
Loc

Orthotheres unguifalcula

Campos E 2018: 386
Ng PKL & Guinot D & Davie PJF 2008: 250
Campos E 1989: 1125
1989
Loc

Pinnotheres unguifalcula

Schmitt WL & McCain JC & Davidson ES 1973: 26
Glassell SA 1936: 298
1936
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