- archaeocyathid
- пал. археоциатид
English-Russian dictionary of geology. 2011.
archaeocyathid
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Archaeocyathid — /ahr kee oh suy euh thid, ahr kee euh /, n. one of the marine invertebrates of the extinct phylum Archaeocyatha, widely distributed during the Cambrian Period, having a limy, typically conical or cylindrical skeleton composed of sievelike inner… … Universalium
Archaeocyathid — /ahr kee oh suy euh thid, ahr kee euh /, n. one of the marine invertebrates of the extinct phylum Archaeocyatha, widely distributed during the Cambrian Period, having a limy, typically conical or cylindrical skeleton composed of sievelike inner… … Useful english dictionary
Cambrian Period — Oldest time division of the Paleozoic Era. During the Cambrian, 543–490 million years ago, there were widespread seas and several scattered landmasses. The largest continent was Gondwana. The average climate was probably warmer than today, with… … Universalium
Ordovician — Period 488.3–443.7 million years ago … Wikipedia
Archaeocyatha — Taxobox name = Archaeocyatha fossil range = Early Late Cambrian domain = Eukaryota unranked regnum = Opisthokonta regnum = Animalia subregnum = Parazoa phylum = Porifera? (sponges) unranked classis = Archaeocyatha 1 – Gap ( intervallum ) *2 –… … Wikipedia
Sponge — This article is about the aquatic animal. For the porous cleaning tool, see Sponge (material). For other uses, see Sponge (disambiguation). Sponge Temporal range: Ediacaran–Recent … Wikipedia
Tommotian age — The Tommotian Age, named after the mollusc Tommotia , which began approx. 530 million years ago is an early part of the Cambrian period and lasted for only about 3 million years.PaleogeographyWorld climate during the Tommotian was mild; there was … Wikipedia
Calcimicrobe — Characteristic of the Neoproterozoic and Cambrian epochs, the heterogeneous group called calcimicrobes are calcareous colonial microfossils, which include many morphologically dissimilar organisms, whose effect in massive aggregations, in… … Wikipedia
Taxonomy of commonly fossilised invertebrates — Although the phylogenetic classification of sub vertebrate animals (both extinct and extant) remains a work in progress, the following taxonomy attempts to be useful by combining both traditional (old) and new (21st century) paleozoological… … Wikipedia
Massif Central (geology) — The Massif Central forms together with the Armorican Massif (Brittany and Normandy) one of the two big basement massifs in France. Its geological evolution started in the late Neoproterozoic and continues to this day. It has been shaped mainly by … Wikipedia
