M d mart n (6 Ergebnisse)

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This paper describes a new genus, two new species and new records of subterranean gastropods from the Sabinas and ?lamos River, Coahuila, and the Nazas River, Durango, in northern Mexico. Phreatomascogos gregoi gen. n. et sp. n. from Don Mart?n Basin, Coahuila, is described based on shells and opercula that show some morphological similarities with shells of Phreatodrobia Hershler & Longley, 1986 (Lithoglyphidae), which is a subterranean genus from neighboring area in Texas, United States. Conchologically, the new genus can be distinguished from Phreatodrobia and all other subterranean genera by a unique combination of characteristic shell morphology and opercula apomorphies. Balconorbis sabinasense sp. n. (Cochliopidae) is the second species of this genus, which was previously known only from caves and associated subterranean habitats in Texas. The new record of Coahuilix parrasense, Czaja, Estrada-Rodr?guez, Romero-M?ndez, ?vila-Rodr?guez, Meza-S?nchez & Covich, 2017 (Cochliopidae) from Durango and Coahuila is the first record of extant member of this genus out of its hitherto known habitat in the Cuatro Ci?negas basin, Coahuila. These records are remarkable because C. parrasense had been described recently as a fossil species. Shell morphologies of the new subterranean snails could be interpreted as possible evolutional adaptations to different hydrodynamic and other specific conditions in their habitat. New taxa: Phreatomascogos gregoi n. gen., n. sp., Balconorbis sabinasense n. sp. 14 pp., 23 figs, gr. 8 [16.5 x 24 cm].…

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paperback. Zustand: New. Paperback. Pub Date: 2020-12-01 Pages: 230 Language: Chinese Publisher: CITIC Publishing Group. CITIC Press Mathematics. to understand the world in a more advanced way.?If human civilization is a night sky. art is the stars adorning the night sky. and mathematics is the clouds that sometimes appear in the night sky.?Art and mathematics go hand in hand and are mutually beneficial. Mathematics can not only interpret art. but also create new art.?After a long period of time. artists who are prof.…

paperback. Zustand: New. Paperback Pages Number: 376 Language: Simplified Chinese Publisher: Southern Press; 1 (January 1. 2012). Trim life barren one Introduction: the Bible is too hard to follow. I do not read ! Moreover. the old information with today's life associated with Many people have this sense of frustration in reading the Bible. Even theologians. all brains to want to unlock the mysteries of the Bible. Pruning a barren life is the teachings of the Bible teacher and individual reading experience a combinat.…

Couverture souple. Zustand: Bon. Paris . Chez Bernard et Cie . 1827 . Deux volumes brochés in-12 , sous couverture imprimée , de XXIV + 208 pages & 227 pages .Couverture défraichie avec petits manques . Non rogné . Peu courant .