Hoploparia natsumiae, Karasawa & Ohara & Kato, 2023

Karasawa, Hiroaki, Ohara, Masaaki & Kato, Hisayoshi, 2023, Validation of the names of four species of Decapoda and one species of Isopoda from the Lower Cretaceous (Barremian) Arida Formation of central Japan, Zootaxa 5277 (1), pp. 198-200 : 198-199

Hoploparia natsumiae n. sp.

Hoploparia natsumiae Karasawa, Ohara & Kato, 2008: 104–105 , figs. 2.11–2.13. [unavailable].

Type material. HOLOTYPE: WMNH-Ge-1140320065, carapace, pleuron and left pereiopod 1 from Suhara, Yuasa-cho , Wakayama Prefecture (34°2′35.6′′ N; 135°10′29.4′′ E).

Diagnosis. Moderate-sized Hoploparia . Carapace with well-defined cervical and postcervical grooves; antennal region with antennal ridge bearing small, forwardly directed spines; dorsomedian line weakly developed; supraorbital and subdorsal carinae weak, granular; regions between cervical and postcervical grooves coarsely granulated; median carina and lateral carinae finely granulate; sparsely granulated ridge present on branchial region behind postcervical groove, nearly parallel to postcervical groove. Propodus of 1st cheliped slender, elongate; mesial surface and dorsal and ventral margins of propodus and dactylus smooth; both fingers slender, elongate, about 1.5 times palm length.

Etymology. From the first name of N. Kumagai, who collected the type specimen.