Neto de Carvalho, C., and N.P.C. Rodrigues. 2007. “Compound Asterosoma ludwigae Schlirf, 2000 from the Jurassic of the Lusitanian Basin (Portugal): conditional strategies in the behaviour of Crustacea”. Journal of Iberian Geology 33, nº 2:: 295-310. https://revistas.ucm.es/index.php/JIGE/article/view/JIGE0707210295A