Echiura
Howson, C.M.; Ball, B.J. (1997). Echiura, in: Howson, C.M. et al. (Ed.) The species directory of the marine fauna and flora of the British Isles and surrounding seas. Ulster Museum Publication, 276: pp. 107-108 In: Howson, C.M.; Picton, B.E. (Ed.) (1997). The species directory of the marine fauna and flora of the British Isles and surrounding seas. Ulster Museum Publication, 276. The Ulster Museum: Belfast. ISBN 0-948150-06-8. VI, 508 (+ cd-rom) pp., more In: Ulster Museum Publication. ISSN 0956-6481, more |