A neontological interpretation of conodont elements based on agnathan cyclostome tooth structire function, and development Export

@article{citeulike:1958124, abstract = {Krejsa, R. J., Bringas, P. Jr. \& Slavkin, H. C. 1990 10 15: A neontological interpretation of conodont elements based on agnathan cyclostome tooth structure, function, and development. Lethaia, Vol. 23, pp. 359-378. Oslo. ISSN 0024-1164. Speculation about a conodont-cyclostome connection has led us to search for and establish a biological basis for various characteristic structures in conodont elements. Measurements of juvenile hagfish palatal and lingual teeth overlap those of representative conodont elements, demonstrating a size correspondence of conodonts with teeth of living vertebrates. When hagfish tooth histology is compared with internal and surface topography (SEM) of hagfish, keratinous teeth and mineralized conodont elements, microspaces and tubules similar to those found in hagfish functional tooth coverings and replacement elements are also found within the white matter' of conodont elements. It is provisionally suggested that the primary organic matrix of conodont elements could be keratin and/or keratin-related molecules, and that individual conodont elements could represent shed tooth coverings. The basal bodies' found in certain conodont elements could be replacement elements. These interpretations are contrary to several paradigms of orthodox conodontology. Agnatha, conodonts, cyclostomes, hagfish, keratin, paleo-biology, shedding, teeth.}, author = {Krejsa, Richard J. and Bringas, Pablo and Slavkin, Harold C.}, citeulike-article-id = {1958124}, citeulike-linkout-0 = {http://www.blackwell-synergy.com/doi/abs/10.1111/j.1502-3931.1990.tb01369.x}, citeulike-linkout-1 = {http://dx.doi.org/10.1111/j.1502-3931.1990.tb01369.x}, doi = {10.1111/j.1502-3931.1990.tb01369.x}, journal = {Lethaia}, keywords = {from-butterfield, thelodonts}, number = {4}, pages = {359--378}, posted-at = {2007-11-22 10:44:40}, priority = {2}, title = {A neontological interpretation of conodont elements based on agnathan cyclostome tooth structire function, and development}, url = {http://dx.doi.org/10.1111/j.1502-3931.1990.tb01369.x}, volume = {23}, year = {1990} }

TY - JOUR ID - citeulike:1958124 L3 - citeulike-article-id:1958124 N2 - Krejsa, R. J., Bringas, P. Jr. & Slavkin, H. C. 1990 10 15: A neontological interpretation of conodont elements based on agnathan cyclostome tooth structure, function, and development. Lethaia, Vol. 23, pp. 359-378. Oslo. ISSN 0024-1164. Speculation about a conodont-cyclostome connection has led us to search for and establish a biological basis for various characteristic structures in conodont elements. Measurements of juvenile hagfish palatal and lingual teeth overlap those of representative conodont elements, demonstrating a size correspondence of conodonts with teeth of living vertebrates. When hagfish tooth histology is compared with internal and surface topography (SEM) of hagfish, keratinous teeth and mineralized conodont elements, microspaces and tubules similar to those found in hagfish functional tooth coverings and replacement elements are also found within the white matter’ of conodont elements. It is provisionally suggested that the primary organic matrix of conodont elements could be keratin and/or keratin-related molecules, and that individual conodont elements could represent shed tooth coverings. The basal bodies' found in certain conodont elements could be replacement elements. These interpretations are contrary to several paradigms of orthodox conodontology. Agnatha, conodonts, cyclostomes, hagfish, keratin, paleo-biology, shedding, teeth. IS - 4 JF - Lethaia EP - 378 TI - A neontological interpretation of conodont elements based on agnathan cyclostome tooth structire function, and development VL - 23 SP - 359 KW - from-butterfield KW - thelodonts AU - Krejsa, Richard AU - Bringas, Pablo AU - Slavkin, Harold PY - 1990/// UR - http://dx.doi.org/10.1111/j.1502-3931.1990.tb01369.x ER -