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Conodonts (Gr**** kōnos, "cone", + odont, "tooth") are an
extinct group of
jawless vertebrates,
classified in the
class Conodonta. They are
primarily known...
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subphylum Vertebrata,
consisting of both
living (cyclostomes) and
extinct (
conodonts, anaspids, and ostracoderms,
among others).
Among recent animals, cyclostomes...
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Conodonts are an
extinct class of
animals whose feeding apparatuses called teeth or
elements are
common microfossils found in
strata dating from the Stage...
- mapmaker. She
devised the
Conodont Alteration Index, a
method of
determining the heat
exposure of
buried rock, by
analyzing conodont fossils. Her work, which...
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subdivisions in 1974. The
boundaries were
established by the
fauna of
conodonts and/or graptolites. In 1995, the
Subcommission on
Ordovician Stratigraphy...
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Palmatolepis triangularis conodont zone, but
later studies showed that P.
triangularis first appeared slightly later than the main
conodont turnover in the GSSP...
- The
conodont feeding apparatus is a
series of phosphatic-mineralized elements,
resembling a set of "teeth",
which are
found lining the oral
surface of...
- Prioniodontida, also
known as the "complex
conodonts", is a
large clade of
conodonts that
includes two
major evolutionary grades; the
Prioniodinina and...
- paleontologist. In 1969, he
described the
conodont genus Protognathodus. In 1984, with
Charles A. Sandberg, he
described the
conodont genus Alternognathus. In 2002...
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Montagne Noire,
southern France. It is
defined by the
first appearance of the
conodont Siphonodella sulcata within the
evolutionary lineage from Siphonodella...
