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Protohertzina is a
genus of
conodonts (protoconodonts or paraconodonts) or, possibly, Chaetognaths,
found at the
beginning of the
Cambrian explosion....
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extension euconodonts. It is now
thought that
protoconodont elements (e.g.,
Protohertzina anabarica Missarzhevsky, 1973), are
probably grasping jaw
spines of...
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pools with
carbonate sedimentation. At first, it was
anabaritids and
Protohertzina (the
fossilized grasping spines of chaetognaths) fossils. Such mineral...
- of vertebrates. It is now
thought that
protoconodont elements (e.g.,
Protohertzina anabarica Missarzhevsky, 1973), are
probably grasping spines of chaetognaths...
-
protoconodonts (taxa such as Amphigeisina, Gapparodus, Hertzina, and
Protohertzina). Both
paraconodonts and
protoconodonts were
grouped together within...
-
contain Fallotaspis-zone trilobites,
whereas its
lower levels come
above Protohertzina and Anabarites-bearing s****y
layers in the
Ingta formation; as such...
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Hagionella Huayuanodontus? Kijacus?
Mongolodus Paibiconus?
Phakelodus Protohertzina Paraconodontida Conodonta /
Conodontophorida / "true conodonts" (Euconodonta)...
-
Hagionella Huayuanodontus? Kijacus?
Mongolodus Paibiconus?
Phakelodus Protohertzina Paraconodontida Conodonta /
Conodontophorida / "true conodonts" (Euconodonta)...
-
Hagionella Huayuanodontus? Kijacus?
Mongolodus Paibiconus?
Phakelodus Protohertzina Paraconodontida Conodonta /
Conodontophorida / "true conodonts" (Euconodonta)...
- Lapwort****a sp.
Megathrix longus Micrhystridium regulare Protoconites minor Protohertzina sp.
Purella antiqua Vendotaenia sp. Yanjia****a
biscarpa Yuknessia sp...
