Monograph of Living Chitons: (Mollusca: Polyplacophora)
Chitons form a peculiar and highly interesting class of molluscs, known with certainty to exist since the Ordovician, and widespread in all world seas to depths from 0 to over 7,000 m. In recent years taxonomists all over the world have much contributed to our knowledge of the chitons and their synonymy, so that the number of living species now amounts to some 800. The authors propose to not only compile all actual knowledge about the living chitons, but, where possible, a after a careful study of the type material, to systematically describe and illustrate every known -- or hitherto unknown -- species. In most cases the detailed figures are new and drawn by the senior author, P. Kaas. The "Monograph of Living Chitons" is planned to appear in ten volumes.
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apophyses apophyses small Articulamentum white beaked bluntly pointed carinated central areas central tooth Chiton closely set Colour of tegmentum convex ctenidia cusp of major denticle distally dorsal girdle scales dorsal scale dorsal view elevated dorsal elevation elongate oval end valves Girdle narrow granules granulose grooves Hanleya Head valve semicircular holotype imbricating insertion plates intermediate valves Intermediate valves broadly intersegmental Iredale & Hull jugal sinus jum long Kaas lateral areas lateral radula teeth lateral view lectotype Leloup Lepidopleurus Leptochiton Parachiton longitudinal rows major lateral radula margin widely V-shaped marginal spicules mucro nagelfar Nierstrasz outer margin paratype posterior margin widely posterior slope postmucronal area quincunx radiating rows radula tooth ribbed riblets roundish sharply pointed side margins side slopes species specimen striated sutural synonymy tail valve tegmentum Thiele triangular Type locality valve VIII valves broadly rectangular ventral girdle scales ventral scales ventral view Verde Island Passage whole animal width
Page 223 - Notes on South Australian Polyplacophora, with Additions to the Fauna; together with a List of Australian Polyplacophora, showing their Distribution in the Australian States.
Page 233 - On Mollusca from the Bay of Bengal and the Arabian Sea. Ann.
Page 234 - Die fossilen Chitonen im Neogen des Wiener Beckens und der angrenzenden Gebiete.
Page 223 - Adams and Angas (Order Polyplacophora), with notes on its true place in the natural system and the description of a new sub-species. Trans.