Cryptapseudes, Bacescu, 1976

Morales-Núñez, Andrés G., Heard, Richard W. & Bird, Graham J., 2019, Two new apseudomorphan species (Crustacea: Tanaidacea: Metapseudidae) from Mo‘orea Island (Society Islands, French Polynesia) with taxonomic keys, Zootaxa 4564 (1), pp. 213-247 : 246

Key to the known species (females) of Cryptapseudes , modified from David & Heard 2015

1. Rostrum with acute tip ( Fig. 21A )................................... C. acutifrons [Western Indian Ocean: Tanzania]

- Rostrum expanded into rosette cluster of spines ( Fig. 21B ̅E)................................................... 2

2. Frontal margin of carapace with single tubercle on each side of rostrum ( Fig. 21B ).............................................................................................. C. sankarankuttyi [Western Indian Ocean: Tanzania]

- Frontal margin of carapace crenulate, with low row of small tubercles on each side of rostrum ( Fig. 21C ̅E)............. 3

3. Maxilliped endite outer margin straight ( Fig. 21I )..................... C. romanae [Western Indian Ocean: Madagascar]

- Maxilliped endite outer margin expanded lateral ( Fig. 21G ̅H).................................................. 4

4. Maxilliped endite outer margin without denticles ( Fig. 21G ). Antennal article-1 with inner apophysis extending distally, nearly reaching proximal margin of article-3 ( Fig. 21I )............. C. leroyi [Mid-North Pacific Ocean: Ni‘ihau Island, Hawai‘i]

- Maxilliped endite outer margin with four denticles ( Fig. 21H ). Antennal article-1 with inner apophysis extending distally, reaching half-length of article-2 ( Fig. 21J )........ C. mamua [Mid-South Pacific Ocean: Mo‘orea Island, French Polynesia]

Figures

FIGURE 21. Female dorsal view: A, Cryptapseudes acutifrons; B, C. sankarankuttyi; C, C. romanae; D, C. leroyi; E. C. mamua sp. nov. Maxilliped endite: F, C. romanae; G, C. leroyi; H, C. mamua sp. nov. Antenna: I, C. leroyi; J, C. mamua sp. nov. [Figures modified from: A–B, Băcescu (1976); C, F, Guţu (1991); D, G, I, David & Heard (2015); E, H, J, Morales-Núñez et al. (this study)]. Not to scale.