Athecanephria

Hayward, P.J. & J.S. Ryland (Eds.). (1990). The marine fauna of the British Isles and North-West Europe: 1. Introduction and protozoans to arthropods. <em>Clarendon Press: Oxford, UK.</em> 627 pp.

Ivanov, A. V. (1955). The main features of the organization of Pogonophora. On external digestion in Pogonophora. On the assignment of class Pogonophora to a separate phylum of Deuterostomia - Branchiata A. Ivanov, phyl. nov. <em>Systematic Zoology.</em> 4, 171-177 [Fide Ivanov (1963) a translation of earlier articles in Russian].

Rouse, Greg W. (2001). A cladistic analysis of Siboglinidae Caullery, 1914 (Polychaeta, Annelida): formerly the phyla Pogonophora and Vestimentifera. <em>Zoological Journal of the Linnean Society.</em> 132(1): 55-80.

van der Land, J.; Southward, E. (2001). Pogonophora, <B><I>in</I></B>: Costello, M.J. <i>et al.</i> (Ed.) (2001). <i>European register of marine species: a check-list of the marine species in Europe and a bibliography of guides to their identification. Collection Patrimoines Naturels,</i> 50: pp. 235