Mesokalliapseudes viridis ( Menzies, 1953 )

DRUMM, DAVID T. & HEARD, RICHARD W., 2011, Systematic revision of the family Kalliapseudidae (Crustacea: Tanaidacea), Zootaxa 3142 (1), pp. 1-172 : 140-141

publication ID	https://doi.org/ 10.11646/zootaxa.3142.1.1
persistent identifier	https://treatment.plazi.org/id/AF5F87C3-DEE0-FF7B-B19F-C66BFB3A97EF
treatment provided by	Felipe
scientific name	Mesokalliapseudes viridis ( Menzies, 1953 )
status

Treatment

Mesokalliapseudes viridis ( Menzies, 1953) View in CoL

Kalliapseudes viridis Menzies, 1953: 474 View in CoL , 479–482, Figs. 21 View FIGURE 21 –22. Lang, 1956: 209. Sieg, 1982: 3, 16. Bamber, 1993: 128, 129. Guţu, 2006: 141.

Kalliapseudes (Mesokalliapseudes) viridis View in CoL . Lang, 1956: 216, 217. Sieg, 1982: 10–16, Figs. 5–8 View FIGURE 5 View FIGURE 6 . Drumm, 2003: 2, 11.

Mesokalliapseudes viridis View in CoL . Guţu, 2006: 142.

Type material. Holotype female no. CR1951–020.2, paratype (= allotype) juvenile no. CR1951–020.5, 1 paratype; LACM.

Material examined. Holotype: adult female, 7.2 mm, with empty marsupium ( LACM CR1951 About LACM – 020.2 About LACM ) . Allotype: 1 juvenile, 5 mm ( LACM CR1951 About LACM – 020.5 About LACM ), South Bay , Cedros Island, Baja California, Mexico, April 19 ,

1951, 29– 35 m, AHF Sta. No. 2026–51. liped approximately one half length of dactylus; cutting edge of dactylus with less than 10 setae increasing in length distally.

Type locality. South Bay , Cedros Island, Baja California, Mexico, 26°10'N, 115°15'W (Fig. 1, number 38; Fig. 80 View FIGURE 80 ) GoogleMaps .

Geographic distribution. Known from the type locality only.

Remarks. Sieg (1982) redescribed this species based on an adult female with oostegites (paratype: No. 2026/ 51). Examination of Menzie’s types showed a few errors in Sieg’s redescription. Sieg (1982) illustrated the pereopod 6 dactylus as smooth but it has a subterminal seta, or aesthetasc. Menzies (1953) described the dactylus as being apically bifid in the original description, but this appearance is due to the presence of a short subterminal seta. The seta on the ventrodistal corner of the pereopod 1 basis was observed as being smooth; whereas, Sieg (1982) illustrated it as being pectinate. Menzies (1953) did not describe or illustrate the basis. The holotype has an antenna with eight articles in the flagellum but Sieg described the adult female paratype as having seven. Examination of the juvenile paratype (= allotype Menzies, 1953) also revealed the presence of seven articles, so this character apparently exhibits ontogenetic variation.

Kalliapseudes viridis can be distinguished from its other congeners by the following combination of characteristics: 1) the anterolateral corners of pereonites 2–4 with apophyses, 2) one long seta on the ventrodistal corner of the pereopod 1 basis, and 3) a spinulate process on the third peduncle article of the antenna.