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Thecodont dentition is a morphological arrangement in which the base of the tooth is completely enclosed in a deep socket of bone, as seen in crocodilians, dinosaurs and mammals, and opposed to acrodont and pleurodont dentition seen in squamate reptiles. [1]
Thecodontia (meaning 'socket-teeth'), now considered an obsolete taxonomic grouping, was formerly used to describe a diverse "order" of early archosaurian reptiles that first appeared in the latest Permian period and flourished until the end of the Triassic period. All of them were built somewhat like crocodiles but with shorter skulls, more ...
This is because the conodont animal was soft-bodied, thus everything but the teeth was unsuited for preservation under normal circumstances. These microfossils are made of hydroxylapatite (a phosphatic mineral). [18] The conodont elements can be extracted from rock using adequate solvents. [19] [20] [21] They are widely used in biostratigraphy.
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The Pander Society is an informal organisation founded in 1967 for the promotion of the study of conodont palaeontology.It publishes an annual newsletter. Although there are regular meetings of the Pander Society, at the Annual Meeting of the Geological Society of America, at European Conodont Symposia (ECOS for short), and elsewhere, any meeting of three or more "Panderers" is considered an ...
True conodont 'teeth' have a distinct crown and base tissue, with each component growing independently through the addition of external layers. In contrast, paraconodont 'teeth' have a single main component which only grows downwards via additional sheath-like layers.
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