- "Pteraspidomorphi:
Psammosteida (2): Guerichosteids, Pycnosteids,
Psammosteids &
Psammolepis".
Palaeos Vertebrates.
Fishes of the
World by
Joseph S.
Nelson Vertebrate...
-
Agnatha Order:
Heterostraci Suborder:
Psammosteidei Family:
incertae sedis Genus:
Tartuosteus Obruchev, 1961 Type
species Psammolepis gigantea Gross, 1933...
-
vertebrates found in the same
deposits include an
armored jawless fish (
Psammolepis), two
placoderms (Asterolepis and Plourdosteus), an
unidentified acanthodid...
-
numerous fossils of fishes.
Among them are Asterolepis, Bothriolepis,
Psammolepis, Cheirolepis,
Glyptolepis baltica,
Laccognathus panderi,
Livoniana multidentata...
-
Vladimirolepis Gen. et comb. nov
Valid Glinskiy Devonian Estonia A
member of the
family Psammosteidae. The type
species is "
Psammolepis"
proia Mark-Kurik (1965)....
- very end of the Devonian. Many of the Late
Devonian genera, such as
Psammolepis, were
among the
largest heterostracans ever,
growing to be at
least 1...
