-
Trinucleidae is a
family of
small to
average size
asaphid trilobites that
first occurred at the
start of the
Ordovician and
became extinct at the end of...
- the: Alataspididae, Dionididae, Liostracinidae, Raphiophoridae, and
Trinucleidae Alsataspididae: Ajrikina, Alataupleura, Araiopleura, Calycinoidia, Caputrotundum...
- is a
genus of
trilobites of the
order Asaphida. It is in the
family Trinucleidae.
Fossil specimens are
found in the
Ordovician rocks of Powys, Wales....
- Trinucleioidea ?
Alsataspididae Dionididae Liostracinidae Raphiophoridae Trinucleidae incertae sedis Rhyssometopidae (includes Mapaniidae, Plectriferidae)...
-
Broeggerolithus is a
genus of the
family Trinucleidae in the
Ordovician periods. It is
reported only from
Northern Europe. "Broeggerolithus Bancroft, 1935"...
-
Costonia is a
genus of
trilobites in the
family Trinucleidae. The
species C.
elegans is from the
Ordovician of
South Shropshire, England. List of trilobite...
-
Deanaspis is a
genus of the
family Trinucleidae in the
Ordovician periods. It is
reported only from
Northern Europe and Iran. "Deanaspis Hughes, Ingham...
-
Animalia Phylum:
Arthropoda class:
Trilobita Order:
Asaphida Family:
Trinucleidae Genus:
Onnia Bancroft, 1933
Species O.
cobboldi O.
goldfussi O. gracilis...
-
classification Domain:
Eukaryota Kingdom:
Animalia Phylum:
Arthropoda class: †Trilobita Order: †Asaphida Family: †
Trinucleidae Genus: †Cryptolithus Green, 1832...
-
Lordshillia is an
extinct genus of
trilobites in the
family Trinucleidae. The
genus lived during the
early part of the
Arenig stage of the
Ordovician Period...
