Abstract

The dense fibro‐lamellar skeleton of lophiostromatids (Stromatoporoidea) is closely similar to the trabecular skeleton of protaraeids (Heliolitoidea) and, respectively, the cystose skeleton of labechiids is similar to that of proporids. They can be interpreted as different types of basal exoskeleton of colonial coelenterates. The main difference between these ancient stromatoporoids and heliolitids is in the arrangement of zooids in the colony, that in the heliolitids enabled them to participate in skeleton building, which was not possible in the stromatoporoids. The stratigraphical distribution supports the supposition of their cummon origin.

Keywords

  1. Coelenterata
  2. Stromatoporoidea
  3. Heliolitoidea
  4. skeleton formation
  5. morphology

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References

Galloway, J. J. St. & Jean, J., Jr. 1961: Ordovician Stromatoporoidea of North America. Bull. Am. Paleont. 43, (194), 106 pp.
Kapp, CJ. S. & Stearn, C. W. 1975: Stromatoporoida of the Chazy Group (Middle Ordovician), Lake Chainplain, Vermont and New York. J. Paleont. 49, 163–186.
Kazmierczak, J. 1971: Morphogene. and systematics of the Devonian Stromatoporoidea from the Holy Cross Mountains, Poland. Paleontologia Polonica 26, 150 pp.
Nestor, H. (Hectop, X.) 1966: Cmpo.mamonopoudeu new.toka eligible eligible. (Wenlockian and Ludlovian Stromatoporoidea of Estonia). 87 pp. Bamye, eligible.
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Published In

Volume 14Number 11 January 1981
Pages: 2125

History

Received: 30 April 1980
Published online: 1 January 1981
Issue date: 1 January 1981

Authors

Affiliations

Heldur Nestor
Institute of Geology, Academy of Sciences of the Estonian S.S.R., Estonia puiestee 7, Tallinn 200101. U.S.S.R.,

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Crossref Cited-by

  • References, Notes for a Short Course: Studies in Geology.
  • Lower Middle Devonian Stromatoporoidea from Empire Beach, southern Ontario, Canada, Journal of Paleontology.
  • The oldest heliolitids from the early Katian of the East Baltic region, GFF.
  • Significance of stromatoporoids in Jurassic reefs and carbonate platforms—concepts and implications, Facies.
  • STROMATOPOROIDEA, 1926–2000, Journal of Paleontology.
  • Modern Cyanobacterial Analogs of Paleozoic Stromatoporoids, Science.

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