Paratrypaea

Dworschak, Peter C., 2012, On the identities of Callianassa bouvieri Nobili, 1904, C. maldivensis Borradaile, 1904, and C. gravieri Nobili, 1905 (Crustacea: Decapoda: Callianassidae): a morphometric approach, Zootaxa 3149, pp. 39-56 : 52-53

Paratrypaea sp.

Callianassa bouvieri — Sakai, 1999: 40 (part, material from Hawaii); 2005: 78 (part) [not Callianassa bouvieri Nobili, 1904 ]. Paratrypaea ? sp. HWI — Felder & Robles, 2009: 330 (list), 335 (tree).

Material. ZMH K27847 , 1 fragment of carapace with major and minor P1, Mxp3 and all other legs and abdomen missing, 1 damaged female carapace, (cl 5.3) detached major and minor P1, abdomen of ovigerous female, Oahu, Hawaii Archipel, H. Caspers leg. 17 April 1959, no.12 KSII (a4), det L.B. Holthuis (as C. maldivensis ), rev. K. Sakai (as C. bouvieri ). – ZMH K27848 , 1 male (cl 4.9, major P1 missing, minor P 1 in regeneration, Mxp3 missing), 1 female (cl 4.9, both P1 missing, abdominal somite 6 and tailfan separated), Sand Island, Kaneohe Bay, Oahu, H. Caspers leg. 10 April 1959, no. 21, det L.B. Holthuis (as C. maldivensis ), rev. K. Sakai (as C. bouvieri ). – ULLZ 6575 1 female (cl 4.7, major P1 missing); ULLZ 6576 1 male (cl 5.7), 3 ovigerous female (not measured, all P1 missing), 1 female (cl 5.2), two detached major P1; ULLZ 7080 1 male (cl 5.5, DNA voucher EU882919 and EU875029 ), Paiko Peninsula Lagoon, Oahu, Hawaii, D.L. Felder & R. Robles coll. 6 May 2003, yabby pumping; – ULLZ 6578 1 male (cl 5.6); ULLZ 6577, 7 males, 19 females (10 ovigerous) (cl 4.2–6.2, only few with P 1 attached), 6 right major , 5 left major , 5 left minor, 3 right minor detached P1; NHMW 24323 1 male (cl 6.1), 1 female (cl 4.3), Kanohe Bay, Kealohi Point, State Park, NE shore of Oahu, Hawaii, D.L. Felder & R. Robles coll. 6 May 2003, shoreline and intertidal.

Size. Males from cl 4.2 to 6.2, females (ovigerous) from cl 4.1 to 6.3.

Remarks. In a phylogenetic MP analysis of 16S and 12S rDNA data, the material of Paratrypaea from Hawaii groups together with P. bouvieri (see Felder & Robles, 2009). Data of P. m a l d i v e n s i s were not yet included in this study, but unpublished data show that P. maldivensis and Paratrypaea sp. from Hawaii can be separated using both 16S and 12S (R. Robles pers. comm. 5 May 2009).

This species is morphologically very similar to P. maldivensis , especially with respect to the chelipeds, but has the rostrum shorter and relatively longer and more slender eyestalks than P. bouvieri and P. maldivensis . The telson is more squarish than in the other two species, slightly indented at the posterior edge, and has a prominent median spine as in P. maldivensis .