@article {312,
	title = {Ultrastructure of the cuticle of the sipunculans Golfingia vulgaris and Sipunculus nudus ________ ________________},
	journal = {Transactions of the American Microscopical Society},
	volume = {97},
	number = {4},
	year = {1978},
	note = {@ E.M. ON INTEG. OF S.N. \& G.V. FEW DIFFERENCES BUT SIMILAR PLAN IN 2 SPP, \& TRUNK / INTROV. NO DIFF. 3 SUPERIMPOSED REGIONS; OUTER IS THIN ELECTRON OPAQUE BORDER. MIDLAYER IS VARIABLE THICKNESS \& SHAPE WITH FIBRILLAR STRUCTURES. INTERNAL LAYER THICKEST \& MAKE OF SUCCESSIVE LAYERS OF FIBER BUNDLES, PARELLEL IN SAME LAYER. IN SIP.N. BUNDLES INTERSECT AT RIGHT ANGLES TO EACH OTHER. MICROVILLI FROM SUBJACENT EPIDERMAL CELLS PENETRATE CUTICLE, MORE OR LESS DEEPLY BUT NEVER REACH THE EXTERNAL MEDIUM. MICROVILLAR \& FIBRILAR SYSTEMS ARE EMBEDDED IN A GRANULO-FILAMENTOUS MATRIX, THIS MATRIX WITH ELECTRON OPAQUE PARTICLES IN G.V. EPIDERM HAS ATTACHMENT DEVICES. FROM PHYLOGENETIC POINT OF VIEW THIS EPIDERMAL ARCHITECTURE IS VERY SIMILAR TO THAT OF THE ANNELIDS (ESPEC. POLYCH) AND THE POGONOPHORA.},
	pages = {512-523},
	keywords = {cuticle, g. vulgare, s. nudus},
	author = {Goffinet, G. and Voss-Foucart, M. F. and Barzin, S.}
}
@article {658,
	title = {Etude comparee de la composition chimique des regions souples et durcies de la cuticule de quatre especes de sipunculiens},
	journal = {Cahiers de Biologie Marine},
	volume = {18},
	year = {1977},
	note = {@ IN FRENCH; ENG. ABST. COMPARATIVE STUDY OF CHEMICL COMPOS OF FLEXIB \& HARD PARTS OF THE CUTICLE OF SIPS; ASP. MUELL, GOLF. VULGARIS, P{\textquoteright}LION STROMBI, \& S. NUDUS. HISTOCHEM - COLLAGEN IN ALL SPP CUTICLE. NON PROTEIN CUTICLE MATERIAL WAS NEUTRAL \& ACID MUCOPOLYSACC. IN INTROV. PAPS OF S.NUDUS. HISTOLOG \& HISTOCHEM DIFFERENCES BETWEEN HARD \& FLEXIBLE PARTS OF CUTIC OF G.VULG NOT DETECTED. IN ASP.MUELL A PECULIAR PROT. MATERIAL DETECTED BY AMINO AC CHROMATOG AFTER ACID HYDROLYSIS COULD PLAY A ROLE IN THE HARDNING OF SHIELDS; THIS HARD{\textquoteright}ING INCREASED BY CARBONATE DEPOSITS. SPP, W \& W{\textquoteright}OUT HARD PARTS.},
	pages = {135-145},
	keywords = {chemical composit., cuticle, hooks},
	author = {Voss-Foucart, M. F. and Barzin, S. and Jeuniaux, C. and Bussers, J. C.}
}
@article {659,
	title = {Etude comparee de la composition en acides amines d{\textquoteright}extraits peptidiques de la cuticule de siponculiens et d{\textquoteright}annelides polychetes},
	journal = {Archives de zoologie experimentale et generale},
	volume = {118},
	year = {1977},
	note = {XX CHEM. COMPOS OF CUTICLE OF SIPS \& POLYCH; AMINO AC. COMPOSIT OF CUTICULAR POLYPEPTIDES FROM S. NUDUS, G. VULGARIS, A. CLAVATUS = MUELLERI + 2 POLYCH; CUTICULAR COLLAGEN OF SIPS (EXTRACTED WITH TCA ACID VERY SIMILAR TO THAT OF POLYCH. ANN; POLYPEP FRACTION OF RESIDUAL MATERIAL AFTER EXTRACTION OF COLLAGEN DIFF IN A.MUELL, MAINLY IN HARD REGIONS BY THE PRESENCE OF ADDITIONAL POLYPEPT COMPLEX WITH HI PERCENTAGE OF GLYCINE \& TYROSINE.},
	pages = {457-470},
	keywords = {biochemistry, cuticle},
	author = {Voss-Foucart, M. F. and Barzin, S. and Toussaint, Cl}
}
