-
widely accepted to be
phylogenetically basal to the group. The
bodies of
Actinolepids are wide and flat,
suggesting that most
members of this
family were benthic...
-
Actinolepis is an
extinct genus of
actinolepid placoderm from the
Early Devonian. Four
species are known: A.
magna from Estonia, A.
spinosa from Latvia...
- the
cladogram below: Dinely, D. L.; Yuhai, Liu (December 1984). "A new
actinolepid arthrodire from the
Lower Devonian of
Arctic Canada". Palaeontology....
-
cladogram below: Johnson, H.G.; Elliot, David; Wittke,
James (2000). "A new
actinolepid arthrodire (class Placodermi) from the
lower Devonian Sevy Dolomite,...
-
yunnanensis Qujing.
Neurocranium & ****ociated
skull roof (IVPP V 5810a-b). An
actinolepid originally named Szeaspis.
Yunnanolepis Y.
porifera Qujing. A yunnanolepidid...
-
historically been
considered acanthodian material, but
probably armor from an
actinolepid placoderm instead. †Helolepis
Junior synonym.
Emsian to
Eifelian (Early...
- to the
suborder Brachythoraci. ****sonosteus was once
considered an
actinolepid, but is now
grouped within the
family Phlyctaeniidae. ****sonosteus is...
-
cladogram below: Johnson, H.G.; Elliot, David; Wittke,
James (2000). "A new
actinolepid arthrodire (class Placodermi) from the
lower Devonian Sevy Dolomite,...
-
features with
acanthothoracids and
primitive arthrodires such as the
actinolepids. Quasipetalichthys, in turn,
strongly resembles Diandongpetalichthys...
- is
known about its physiology. What is
known about it is
typical of
actinolepid placoderms, and it can
compared to the
better known primitive arthrodires...
