Scotopetalum warreni Shear, 2000

Akkari, Nesrine, Macek, Oliver & Stoev, Pavel, 2023, A revision of the millipede family Paracortinidae (Diplopoda, Callipodida), ZooKeys 1187, pp. 341-399 : 341

Scotopetalum warreni Shear, 2000

Fig. 28

Paracortina warreni Shear, 2000: 87, fig. 1 Stoev and Geoffroy 2004: 93.

Diagnosis.

Different from Scotopetalum chinensis in the complete absence of the mesal coxal process (vs a reduced tooth-shaped process in S. chinensis ), as well as the distal part of the telopodite. Also, the presence of 15 ommatidia in three rows and 6+6 dorsal crests between poriferous crests.

Descriptive notes.

Species with 53 PTs +telson, general colour yellowish-tan, head without modifications, 6+6 dorsal crests between poriferous crests, 15 ommatidia in three rows, pleurotergal setae 5+5, coxal sacs on legpairs 3-19, coxa 7 unmodified (meso-ventral thorns). Gonopods: parallel (based on Shear 2000: fig. 1). One reduced slender and distally uniformly setose prefemoroidal process (< ½ telopodite length) (pf1). Coxa with an anterior triangular coxal lobe (a). Telopodite (T) with a uniformly slender and gently curved stem, distally with a broad notch (n) separating an apical curved process pointing anteriad and a second downturned bifurcated process into solenomere (s) and parasolenomere (ps), overhanging a third flattened and acuminate process (k). At the level of the notch, a small hook-like process is inserted on the mesal side ( Shear 2000: fig. 1, process ttp).

Comments.

The species is only known from its original description thus not much can be said about its morphology nor the configuration of the gonopods in other views besides the lateral one ( Shear 2000: fig. 1). Therefore, it remains unclear if the "hook-like basal process (ttp)" described for this species could actually be homologues with process (k) of Paracortina chinensis .

Distribution.

Caves at Hong Mat, Hoa Binh, Vietnam. In the distribution map (Fig. 28 ), we used the original coordinates as stated by Shear (2000).

Figures

Figure 28. Distribution map of Paracortinidae in China and Vietnam.