Galearctus, Holthuis, 2002

Holthuis, Lipke B., 2002, The Indo-Pacific scyllarine lobsters (Crustacea, Decapoda, Scyllaridae), Zoosystema 24 (3), pp. 499-683 : 559

publication ID

https://doi.org/ 10.5281/zenodo.4689240

DOI

https://doi.org/10.5281/zenodo.4889892

persistent identifier

https://treatment.plazi.org/id/03EF4243-FFC4-FF98-FE4C-5038C389FAA3

treatment provided by

Felipe

scientific name

Galearctus
status

gen. nov.

KEY TO THE SPECIES OF GALEARCTUS View in CoL N. GEN.

Species dealt with in this paper are in bold.

1. Propodus of P.3 smooth, without hairy grooves on outer surface, rather narrow, being only slightly broader than that of P.2 .......................................................... 2

— Propodus of P.3 distinctly wider than that of P.2, with two parallel, often hairy, grooves on the posterior surface ............................................................................ 3

2. Anterior margin of the third antennal segment with two distinct teeth of about equal size .................................................................................. G. aurora View in CoL n. comb.

— Anterior margin of the third antennal segment with the outer of the two large teeth much larger than the inner .................................................... G. rapanus View in CoL n. comb.

3. Gastric tooth of carapace very high, its anterior height is distinctly more than half the distance between the anterior base of the gastric and the tip of the rostral teeth. Anterior half of dorsal surface of the abdominal somites with transverse grooves lined with hairs .................................................................................................... 4

— Gastric tooth not conspicuously higher than the other teeth on the midline of the carapace, its anterior height much less than half the distance between its anterior margin and the rostral tooth. Anterior half of the abdominal somites smooth or with an incomplete single hairy groove ........................ G. kitanoviriosus View in CoL n. comb.

4. Anterior half of abdominal somites II to V smooth, at most with a single, rather indistinct, sometimes interrupted, transverse groove that bears a row of short hairs ................................................................................................ G. timidus View in CoL n. comb.

— Anterior half of abdominal somites II to V with two distinct crenulated grooves that sometimes are connected with short longitudinal or oblique grooves ...................... .......................................................................................... G. umbilicatus View in CoL n. comb.

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