World Register of Marine Species (WoRMS)
Valvognathia pogonostoma Kristensen & Nørrevang, 1978
WoRMS (2026). Valvognathia pogonostoma Kristensen & Nørrevang, 1978. Accessed at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=114740 on 2026-08-29
Kristensen, R.M.; Nørrevang, A. (1978). On the fine structure of Valvognathia pogonostoma gen. et sp. n. (Gnathostomulida, Onychognathiidae) with special reference to the jaw apparatus. Zoologica Scri. 7: 179-186.