Doumenc, D.; Lévi, C. (1987). Anisochelae analysis and taxonomy of the genus Mycale Gray (Demospongiae). In: Vacelet J, Boury-Esnault N (eds) Taxonomy of Porifera from the N.E. Atlantic and the Mediterranean Sea. NATO Advanced Science Institutes Series G, Ecological Sciences volume 13. Springer, Heidelberg. pp 73-92.

285012

Doumenc, D.; Lévi, C.

1987

pp 73-92

Publication

Proceedings of the 2nd Workshop on Atlanto-Mediterranean Sponge Taxonomy

Available for editors   [request]

The spicular biometry and the anisochelae-l shape analysis is used to improve the systematics of Hycale. A comparison is made on the length of the megascleres; the larger anisochelae; the larger sigmata ; the toxa the raphides. Each full-face anisochela-l drawing is characterized by eight parameters computed from six digitalized points. These parameters form the subject of a classical statistic analysis (mean, standard variation, parametric tests), and a ratio classification analysis (correlation, regression, non parametric tests). The ratio calculation has been classified to help future identifications. The full-face anisochelae-l outlines studied by a computerized method allows adefinition of five shape types. Some general remarks on the taxonomy of the genus Hycale are also given.

Systematics, Taxonomy

Porifera

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