Ediacarianadj.n.
/ˌɛdɪəˈkɑːrɪən/, /ˌɛdɪəˈkɛːrɪən/, U.S. /ˌɛdiəˈkɛriən/ Palaeontology.
A. adj.
= Ediacaran adj.
ΘΚΠ
the world > animals > by habitat > [adjective] > relating to fauna > relating to particular types of
cryptic1897
cryptobiotic1914
microfaunal1935
microbenthic1941
Ediacaran1961
macrobenthic1967
meiobenthic1969
Ediacarian1972
the world > life > biology > organism > fossil > [adjective] > types of
rayed1713
coprolitic1829
belemnitic1847
goniatitic1884
trochitic1891
heterochronous1895
Ediacarian1972
ceratitic1976
1972 Rep. 24th Internat. Geol. Congr. i. 78 The Lower Vendian includes the non-skeletal invertebrates [sic] fauna of Ediacarian type.
1989 Nature 16 Feb. 643/1 The lower Pertatataka Formation contains what could until now have been regarded as a typical Ediacarian assemblage of acritarchs.
2000 C. Tudge Variety of Life ii. vi. 211 The earliest cnidarians..appear among the Ediacarian fossils of southern Australia, which date from the Precambrian, about 600 million years ago.
B. n.
With the. = Ediacaran n. 1.
ΚΠ
1979 Philos. Trans. (Royal Soc.) B. 285 230 To help place the findings reported here in context other worms described as polychaetes from the Ediacarian (late Precambrian) and Cambrian are reviewed.
1997 Jrnl. Austral. Geol. & Geophysics. 17 73 The Neoproterozoic stratigraphy of Australia can now be analysed in terms of four supersequences, with finer subdivision possible in the Ediacarian or ‘Terminal Proterozoic’.
This is a new entry (OED Third Edition, June 2004; most recently modified version published online March 2022).
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adj.n.1972