Betaburmesebuthus joergi Lourenço & Rossi, 2017

Betaburmesebuthus joergi Lourenço & Rossi, 2017 (Family Palaeoburmesebuthidae )

(Fig. 8 &19)

A small male specimen, probably adult, with a total length of 12.8 mm, while the known female of measured 17.65 mm. Included in a clear yellow piece sizing 19 x 16 x 3-4 mm. The piece contains vegetal debris and some dirty and shows one major crack in the middle what prevents a better observation of many characters (Figs. 8, 16). The species is clearly characterised by morphological measures similar to that of the female holotype with pedipalps short and bulk; the ratio between chela length/width is 4.19, while the one presented by the female is 4.86 (Lourenço, 2021). The beta disposition for the dorsal trichobothria of the femur is clearly observed (Fig. 8). Pectines are longer and have 20-19 teeth vs 18-18 for the female holotype. For more details on this species refer to Lourenço & Rossi (2017).