Rolán e (206 Ergebnisse)

Rustica (tapa blanda). Zustand: New. Zustand des Schutzumschlags: Nuevo. 01. Este volumen ofrece la primera edición crítica, en bilingüe y atendiendo a todos los testimonios. manuscritos latinos y romances, de la primera parte. del Breuiloquium de amore et amicitia y su autotraducción, Tratado de amor y amiçiçia, titulada. De am…

The species of the genus Assiminea from the occidental African coast are studied, and comparisons with those previously known are presented. In the absence of definitive proof. it is assumed that Assiminea hessei O. Boettger, 1887 is applicable to the Angolan populations. Five new species are described. New taxa: Assiminea princ…

Columbella minor Scacchi, 1836 is revised in the genus Mitrella Risso, 1826, on the basis of its original description and figure, and of the study of shell material from Mediterranean and the nearby Atlantic. A neotype of C. minor is designated. C. minor takes priority on the older name Mangelia vitrea Risso, 1826 on the basis o…

Galician exposed shore populations of the direct developing periwinkle Littorina saxatilis are strikingly polymorphic, with an ornamented and banded upper shore form and a smooth and unbanded lower shore form. Intermediates between the two pure forms occur in a narrow mid shore zone together with the parental forms. We have prev…

The West African marine species generally known as Asthenotoma spiralis (Smith, 1872) is revised, and transferred to the genus Tomopleura Casey, 1904. This specific name is shown to be preoccupied and a replacement name Tomopleura spiralissima n. nom. is provided. Two further species Tomopleura fuscocincta n. sp. and Tomopleura…