| 释义 |
Ediacara, n. Palaeontol.
Brit. |ɛdɪˈakərə|, |ˌɛdɪəˈkɑːrə|, U.S. |ˌɛdiˈækərə|, |ˌɛdiəˈkɛrə|
[‹ the name of the Ediacara Hills in South Australia.
Ediacara (now usually Ediacaria) is also the name of a genus of scyphozoans found within the same fossil assemblage (R. C. Spriggs 1949, in Trans. Royal Soc. S. Australia 73 86).]
attrib. Designating or relating to an association of soft-bodied marine organisms of the late Precambrian, known from fossil remains in a sedimentary formation from the Ediacara Hills, South Australia, and also found in other locations worldwide. Esp. in Ediacara fauna.
Although some Ediacaran fossils have been identified with medusoids, soft corals, annelids, and other extant groups, many appear to be unrelated to any known organisms.
1959Nature 23 May 1472/2 New stratigraphical and palæontological evidence indicates Late Precambrian age of the Ediacara fauna. 1989S. J. Gould Wonderful Life (1991) 311 Martin Glaessner, the paleontologist most responsible for describing the Ediacara animals, has always interpreted them..as primitive representatives of modern groups. 1993E. N. K. Clarkson Invertebr. Palaeontol. & Evol. (ed. 3) iii. 59/1 The date [printed data] of the Ediacara fauna is estimated radiometrically as 640 million years bp, antedating the beginning of the Cambrian by about 70 million years. 2002National Post (Toronto) (Nexis) 24 Dec. a1 The fossilized creatures..more commonly known as seapens..were among a group of early animals known collectively as the Ediacara biota. |