@book {174,
	title = {The Sipuncula. Their systematics, biology and evolution},
	year = {1994},
	pages = {453 pp},
	publisher = {Cornell University Press},
	organization = {Cornell University Press},
	address = {Ithaca, N.Y.},
	author = {Cutler, E. B.}
}
@article {189,
	title = {A revision of the genus Aspidosiphon (Sipuncula)},
	journal = {Proceedings of the Biological Society of Washington},
	volume = {102},
	year = {1989},
	pages = {826-865},
	author = {Cutler, E. B. and Cutler, N. J.}
}
@article {420,
	title = {Aspidosiphonidae (Sipuncula) from the northern and northeastern coast of Brazil},
	journal = {Revista Brasileira de Biologia},
	volume = {48},
	number = {2},
	year = {1988},
	pages = {245-263},
	author = {Migotto, A. E. and Ditadi, A. S. F.}
}
@inbook {510,
	title = {Observations on the development of six species of Caribbean Sipuncula with a review of development in the phylum},
	booktitle = {Proceedings of the International Symposium of Sipuncula and Echiura},
	year = {1975},
	note = {KOTOR PROC 15 SPP IN 7 GENERA DEVEL REVIEWED... 6 CARIB. SPP REPORTED FOR FIRSDT TIME. ASP.FISCHERI, P{\textquoteright}LION CRYPTUS, PH*. ANTILLL, PH. PERLUCENS, PH. VARIANS, TH. ALUT. 4 PATTERNS DEFINED: 1. DIRECT WITH NO PELAGIC STAGE 2. ONE PELAGIC STAGE - TROCHOPHORE 3. TWO PELAGIC STAGES - TROCH \& LECITHOTROPHIC PELAGOSPHERA, 4. TWO PELAGIC STAGES - TROCH \& PLANKTOTROPHIC PELAGOSPHERA PHYLOGENETIC IMPLICATIONS OF DEVEL. PATT. ARE DISCUSSED. *MOST REPEATED IN LATER STUFF - RETURN IF YOU NEED DETAILS *SOME PHYLOGENETIC COMMENTS- ESSENTIALLY A SEPARATE GROUP RELATED TO COMMON ANCESTOR OF ANNELIDS AND MOLLUSCS - NON SEGM. LARVAE \& PELAGOSPH LARV. UNIQUE.},
	pages = {141-160},
	publisher = {Naucno Delo Press},
	organization = {Naucno Delo Press},
	address = {Belgrade},
	keywords = {development},
	author = {Rice, M. E.},
	editor = {Rice, M. E. and Todorovic, M.}
}
@book {625,
	title = {The phyla Sipuncula and Echiura},
	year = {1972},
	pages = {528 pp},
	publisher = {Trustees British Mus. (Nat. Hist.)},
	organization = {Trustees British Mus. (Nat. Hist.)},
	address = {London},
	author = {Stephen, A. C. and Edmonds, S. J.}
}
@article {636,
	title = {Sipunculoidea und Echiuroidea},
	journal = {Tierwelt Deutschlands und der Angrenzenden},
	volume = {15},
	year = {1929},
	pages = {156-168},
	author = {tenBroeke, A.}
}
@inbook {268,
	title = {Sipunculoidea und Echiuroidea},
	booktitle = {Die Fauna Sudwest-Australiens},
	year = {1927},
	pages = {199-216},
	author = {Fischer, W.},
	editor = {Michaelsen, W. and Hartmeyer, R.}
}
