(brachiopods, internal morphology, non-destructive technique, SRXTM, tomographic recontructions, holotypes)Reasons of micromorphism inmodern or fossil brachiopods. Paleontological Journal,43 (11): 1458–1468.PAKHNEVICH, A.V. 2010a. Micro CT investigations ofRecent and fossil brachiopods. 6th InternationalBrachiopod Congress, 1-5
focused like a laser beam. We reportencouraging results from the use of SRXTM for purely taxonomic purposes in brachiopods: an attempt to finda non-destructive and more efficient alternative to serial sectioning and several other
specimens or delicate Recent materialmay be preferentially subjected to this mode of analysis.Key words: brachiopods, internal morphology, non-destructive technique, SRXTM, tomographic reconstructions, holotypes.Апстракт.
(brachiopods, gastropods, taxonomic diversity, transgression, Early Cretaceous, Lesser Caucasus, Azerbaijan, Neo-Tethys Ocean)Stratigraphicalranges of 31 species and 14 genera of brachiopods and 40 species and 31 genera of gastropods are considered.The total number of species and genera of brachiopods was low in the Berriasian–Valanginian and then roseto
of brachiopods in the Azerbaijaniandomains of the Lesser Caucasus is very similar to those of the Northern Caucasus, which is an evidence ofproximity of these regions during the Early Cretaceous.Key words: brachiopods, gastropods
employs regional and global stratigraphical ranges of Early Cretaceous brachiopods and gasTaxonomic diversity dynamics of Early Cretaceous brachiopods and gastropods in the Azerbaijanian domains 19Fig. 2. The stratigraphical