Smith, KL; Holland, ND; Ruhl, HA (July 2005). "Enteropneust production of spiral fecal trails on the deep-sea floor observed with time-lapse photography". Deep Sea Research Part I: Oceanographic Research Papers. 52 (7): 1228–1240. Bibcode:2005DSRII..52.1228S. doi:10.1016/j.dsr.2005.02.004.
Holland, ND; Clague, DA; Gordon, DP; Gebruk, A; Pawson, DL; Vecchione, M (2005). "'Lophenteropneust' hypothesis refuted by collection and photos of new deep-sea hemichordates". Nature. 434 (7031): 374–376. Bibcode:2005Natur.434..374H. doi:10.1038/nature03382. PMID15772659.Parameter |s2cid= yang tidak diketahui akan diabaikan (bantuan)
Smith, KL; Holland, ND; Ruhl, HA (July 2005). "Enteropneust production of spiral fecal trails on the deep-sea floor observed with time-lapse photography". Deep Sea Research Part I: Oceanographic Research Papers. 52 (7): 1228–1240. Bibcode:2005DSRII..52.1228S. doi:10.1016/j.dsr.2005.02.004.
Holland, ND; Clague, DA; Gordon, DP; Gebruk, A; Pawson, DL; Vecchione, M (2005). "'Lophenteropneust' hypothesis refuted by collection and photos of new deep-sea hemichordates". Nature. 434 (7031): 374–376. Bibcode:2005Natur.434..374H. doi:10.1038/nature03382. PMID15772659.Parameter |s2cid= yang tidak diketahui akan diabaikan (bantuan)
Holland, ND; Clague, DA; Gordon, DP; Gebruk, A; Pawson, DL; Vecchione, M (2005). "'Lophenteropneust' hypothesis refuted by collection and photos of new deep-sea hemichordates". Nature. 434 (7031): 374–376. Bibcode:2005Natur.434..374H. doi:10.1038/nature03382. PMID15772659.Parameter |s2cid= yang tidak diketahui akan diabaikan (bantuan)