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Clarkina is an
extinct genus of conodonts. It is
considered to be an offs****,
outer shelf or basinal, deep-water taxon. The
genus name is a
tribute to...
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Permian localities.
Common conodonts from the
Lopingian include the
genera Clarkina and Hindeodus. The
Lopingian would see the
decline of the
Paleozoic ammonoid...
-
Changhsingian Stage is at the
first appearance of the
conodont species Clarkina wangi. The
global reference profile is
profile D at Meishan, in the type...
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defined as the
place in the
stratigraphic record where the
conodont species Clarkina postbitteri postbitteri first appears. A
global reference profile for this...
- was
ratified in 2004. The
boundary is
defined by the
first appearance of
Clarkina postbitteri postbitteri The
Changhsingian was
originally derived from the...
-
defined as the
place in the
stratigraphic record where the
conodont species Clarkina postbitteri postbitteri first appears. The
Capitanian Stage was part of...
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bivalves Claraia, Unionites, Eumorphotis, and Promyalina, the
conodonts Clarkina and Hindeodus, the
inarticulate brachiopod Lingularia, and the foraminifera...
-
stratigraphic record where Clarkina postbitteri postbitteri first appears. The
Capitanian contains three conodont biozones: the zone of
Clarkina postbitteri hongs****ensis...
- Budurovignathus, in 1989, the
genus Mesogondolella, in 1990, the
genera Clarkina and
Chiosella and in 2003, the
genus Carnepigondolella. In 2011, with RE...
- Satoshi; Suzuki,
Noritoshi (2019-06-15). "Natural ****emblages of the
conodont Clarkina in
lowermost Tri****ic deep-sea
black claystone from
northeastern ****an...
