. Bulletin de la Société géologique de France. Geology. 438 F. CANU. REVISION DES BRYOZOAIRES 23 Avril G. Caleschara M. Gill., 1886. « Zoarium encrusting, or erect, and uni, or hilaminate. Zoecia separated hy distinct, raised, calcareous margins ; front covered by a thick epitheca, be- neath which the calcareous front xjoall is bevelled to the depressed cen- tre ; on each side of the calcareous front is a longitu- dinal fissure, and across the upper par a thickened bar, leamng a mem- branous portion above containing themouth,theoper- culum of which is incomplète. Oecia alterated and expanded z
. Bulletin de la Société géologique de France. Geology. 438 F. CANU. REVISION DES BRYOZOAIRES 23 Avril G. Caleschara M. Gill., 1886. « Zoarium encrusting, or erect, and uni, or hilaminate. Zoecia separated hy distinct, raised, calcareous margins ; front covered by a thick epitheca, be- neath which the calcareous front xjoall is bevelled to the depressed cen- tre ; on each side of the calcareous front is a longitu- dinal fissure, and across the upper par a thickened bar, leamng a mem- branous portion above containing themouth,theoper- culum of which is incomplète. Oecia alterated and expanded zoecia. » (M. Gill.). — Opésiules linéaires perforant le cryptocyste. Zoécies dimorphes. Actuel. Type : C. denticulata M. Gill. (Fig. 50).. j. 50. — Caleschara M. Gill. — Type (M. Gill.). C. denticulata G. Steganoporella Smitt, 1872. « Zoecia flustrina, extus microporidacea, intus calcificatione secundaria constructionem Steginoporarium (d'Orb.) imitandur. » (Smitt). (( Zoecia with the aboral compartment divided into two chambers hy a diaphragm, the lov^^er of which is connected by a tubular passage with the upper and coutains the polypide; the whole of the upper half of the cell forming a large cavity, closed by the operculum and membranous front wall. Operculum very large. External œcia wanting; represented by an internai chamber » (Hincks, 1887). Actuel. Type : St. magnilabris Busk (Fig. 51). La définition de Smitt est fausse, la constitution étant totalement différente de Steginopora (d'Orb.). Hincks en 1887 a donné une diagnoseplus exacte, mais uniquement basée sur l'examen d'échan- tillons desséchés. Le D"" Jullien classe ce genre dans la famille des Opésiulidées, en écrivant: « Ce que Smitt et Hincks ont pris pour. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original
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