Globopactes, Schmidt, 2007

Schmidt, Christian, 2007, Revision of the Neotropical Scleropactidae (Crustacea: Oniscidea), Zoological Journal of the Linnean Society 151, pp. 1-339 : 50-51

GLOBOPACTES GEN. NOV.

Type species: Globopactes falconensis sp. nov.

Diagnosis

Scleropactids with endoantennal conglobation ability. Eyes and pigment well developed. Coxal plate 1 simple (without schisma). Uropod sympodites longer than broad and with outer corner rounded. Maxilliped palp proximal article with only one large seta. Anterior pereiopods of male with scale-fields. Pleopods 1 and 2 with simple dorsal respiratory fields.

Apomorphies of Globopactes

1. male pereiopod 7 merus with ventroproximal scaly tubercle (without such tubercle)

2. male pleopod 1 endopodite with distal portion straight (distal part bent laterally)

Derivation of the name

Latin globus (sphere), referring to the conglobation ability, and - pactes as posterior part of the name Scleropactes , to indicate that the new genus belongs to the Scleropactidae .

Phylogeny within the genus Globopactes

Within the genus, G. senex , G. falconensis and G. granulatus are clearly identifiable as most closely related species. In the phylogenetic analysis (see above), they form clade 28. Their common derived characters are coxal plates 2 and 3, which have deeply concave lateral margins, adapted to conglobation. This is one of the few characters that does not require the assumption of convergency within the Scleropactidae .