- Form
classification is the
classification of
organisms based on
their morphology,
which does not
necessarily reflect their biological relationships. Form...
-
Early Jur****ic records. The stem of Pentoxylales,
referred to by the
morphogenus Pentoxylon,
consists of 5 or 6
wedge shaped segments embedded within...
-
Richardoestesia is a
morphogenus of
theropod dinosaur teeth,
originally described from the Late
Cretaceous of what is now Canada, the
United States and...
-
Emplastus is an
extinct morphogenus of ants in the
subfamily Doli****rinae,
known from
fossils found in Asia and Europe. The
genus contains twelve species...
-
morphogenus of
female conifer cones from the Tri****ic. It was
established in 1872 by the
French botanist Wilhelm Philippe Schimper. The
morphogenus is...
-
Palaeoxyris is a
morphogenus of eggs cases,
widely thought to have been
produced by hybodonts, with a
predominant occurrence in
ancient freshwater environments...
- of
fossil conifer leaves. In its
broader sense, it has been used as a
morphogenus (form taxon) to
refer to any
broad leaved multi-veined
conifer leaves...
-
Eostangeria is a
morphogenus of
fossil foliage belonging to the Cycadales. Some
leaflets of
Eostangeria had
previously described as
ferns such as Angiopteris...
- to that of a cycad.
Fossils that
appear Ginkgo-like are
filed under a
morphogenus called Ginkgoxylon, Ginkgomyeloxylon, or Protoginkgoxylon. Fossilized...
-
Wessiea is an
extinct morphogenus of fern not
placed in a
specific family.
Wessiea is
known from Late
Cretaceous and
Middle Miocene age
fossils found...
