Summary: | FIG. 20. — Two types of the outlet of the lateroventral foregut glandular organs with terminal cone (and opening papilla) within Amphimeniidae (schematised): A, simple cone as in Alexandromenia gulaglandulata n. sp.; B, cone with internal ductule such as in A. antarctica Salvini-Plawen, 1978. Abbreviations: con, cone; cp, cone pouch (sheath); dg, duct of glandular organ; du, ductule of cone; pa, opening papilla; ph, pharyngeal cavity; ri, median ridge of duct. Published as part of Salvini-Plawen, Luitfried von, 2008, Contributions to West European Cavibelonia (Mollusca, Solenogastres) with two new species, pp. 873-897 in Zoosystema 30 (4) on page 892, DOI: 10.5281/zenodo.4525775
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