- was
traditionally broken into
Early (Tremadocian and Arenig),
Middle (
Llanvirn (subdivided into
Abereiddian and Llandeilian) and Llandeilo) and Late (Caradoc...
-
evidence of
plant life on land,
dating from the mid-Ordovician (early
Llanvirn, ~470 million
years ago), a
period from
which no
macrofossils have yet...
- The type
specimen of H. solo was
found in
marine strata of the
Arenig to
Llanvirn-aged
Zitai Formation of
Middle Ordovician southern China and is
named after...
-
Meidrim Road
Section is a road cut that
shows the
geology of the
Llanvirn-Caradoc age. It is a Site of
Special Scientific Interest in
Carmarthen & Dinefwr...
-
scoltonensis G. clusus, was
found in the
Middle Ordovician of
Canada (
Llanvirn,
Lower Head, Newfoundland) G. cr****us, has been
identified from the Lower...
-
family of trilobites. Its
representatives lived during the
Arenig and
Llanvirn stages of the
Ordovician Period,
approximately 479 to 463
million years...
-
Ordovician (Hirnantian)]
Order †Orthotetida [Lower–Middle
Ordovician ("
Llanvirn") –
Upper Permian]
Order †Productida [Upper
Ordovician –
Lower Tri****ic...
-
species of
problematic ichnofossil organism from the
Lower Ordovician (
Llanvirn) of the
Tabuk formation located in
central Saudi Arabia, and has been recognised...
-
cosmopolitan distribution and
lived from the
Middle to the
Upper Ordovician (
Llanvirn to Ashgill). It has been
found in
Canada (Quebec and Newfoundland), China...
- PMID 39619473. Turvey,
Samuel T. (2004). "Agnostid
trilobites from the Arenig–
Llanvirn of
South China".
Earth and
Environmental Science Transactions of the Royal...
