Contributions to West European Cavibelonia (Mollusca, Solenogastres) with two new species Author Salvini-Plawen, Luitfried von Zoologie, Universität Wien, Althanstr. 14, A- 1090 Vienna (Austria) luitfried. salvini-plawen @ univie. ac. at text Zoosystema 2008 30 4 873 897 journal article 10.5281/zenodo.4525775 1638-9387 FFB7FFA2FF95FFF4165CFF8EFFC6077C 4525775 Family PRONEOMENIIDAE Simroth , 18932 DIAGNOSIS. — Solenogastres with thick mantle cuticle, sclerites acicular as hollow spicules (needles); radula polyserial/polystichous; ventral foregut glandular organs with epithelial gland cells (= type C). One pair of receptacula seminis.