- The
Weymouthiidae are an
extinct family of
eodiscinid agnostid trilobites. They
lived during the late
Lower Cambrian and
earliest Middle Cambrian (Botomian...
-
Collantes &
Pereira Cambrian Stage 4
Soleras Formation Spain A
member of
Agnostida belonging to the
family Weymouthiidae. The type
species is T. valverdi....
-
Mallagnostus Howell, 1935, is a
trilobite genus belonging to the
family Weymouthiidae Kobayashi T. (1943),
Order Agnostida Salter (1864)
according to Whittington...
- (Archaeagnostus)
probably descended directly from the
Eodiscoid genus Tannudiscus (
Weymouthiidae). Some
scholars do not
consider the
Agnostina true trilobites, and consequently...
-
Formation Canada Russia A
member of
Agnostida belonging to the
family Weymouthiidae. The type
species is "Microdiscus"
helena Walcott (1889);
genus also...
-
different to ****ign them a new genus, Paracalodiscus,
within the
family Weymouthiidae Kobayashi, 1943. HOWELL, B. F. 1935.
Cambrian and
Ordovician trilobites...
-
Chelediscus is a
genus of
Eodiscinid trilobite belonging to the
family Weymouthiidae Kobayashi T. (1943),
Order Agnostida Salter (1864). The
Treatise ****igns...
-
Superfamily Eodiscoidea Calodiscidae Eodiscidae Hebediscidae Tsunyidiscidae Weymouthiidae Yukoniidae Synonyms Isopygia Gürich, 1907
Miomera Jækel, 1909...
- of
approximately the same size (or isopygous) and outline. Like all
Weymouthiidae, it
lacks eyes and
rupture lines (or sutures). The
cephalon is subcircular...
-
Hebediscidae probably descended from the
Tsunyidiscidae and gave rise to the
Weymouthiidae. Like all Agnostida, the
Hebediscidae are
diminutive and the headshield...