Temat: paleontology (Bryozoa) - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Cyclostomatous Bryozoa from the Polonez Cove Formation (Oligocene) of King George Island, West Antarctica
Autorzy:: Hara, Urszula
Powiązania:: https://bibliotekanauki.pl/articles/2052748.pdf
Data publikacji:: 1992
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: Antarctica
King George Island
Oligocene
paleontology
paleoecology
Bryozoa (Cyclostomata)
Źródło:: Polish Polar Research; 1992, 13, 3-4; 255-263
0138-0338
2081-8262
Pojawia się w:: Polish Polar Research
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Palaeoecology of free-lying domal bryozoan colonies from the Upper Eocene of Southeastern USA
Autorzy:: McKinney, F K
Taylor, P.D.
Powiązania:: https://bibliotekanauki.pl/articles/22653.pdf
Data publikacji:: 2003
Wydawca:: Polska Akademia Nauk. Instytut Paleobiologii PAN
Tematy:: bryozoan colony
marine rock
Paleozoic
Eocene
USA
sedimentary rock
Upper Eocene
morphology
paleoecology
Bryozoa
Castle Hayne Formation
paleontology
Opis:: Dome−shaped cheilostome bryozoan colonies, most commonly about 2 cm in diameter, are common in Upper Eocene offshore deposits of southeastern North Carolina, USA.This colony−form is anachronistic in the Eocene, being more typical of Palaeozoic bryozoans.There are three types of domes: individual colonies of Parasmittina collum (Canu and Bassler), individual colonies of Osthimosia glomerata (Gabb and Horn) and multispecies intergrowths.The bryozoans grew laterally beyond initial shell substrata to become free−lying. P. collum colonies grew by local eruptive budding, forming subcolonies that extended radially over the underlying layer of zooids.Undersides of subcolonies that extended beyond the original substratum have basal exterior walls that are more commonly fouled by encrusters than is the upper side of the colony.By contrast, lateral growth of O. glomerata colonies was limited by size of the original substratum, subcolonies were not developed, and colony growth occurred by prolific frontal budding over the entire upper surface of the colony. Undersides of colonies beyond the substratum consist of the lateral interior walls of marginal zooids and are much less commonly fouled than are undersurfaces of P. collum.The upper surfaces of multispecies domes by definition are always fouled, and their undersurfaces are also commonly fouled.
Źródło:: Acta Palaeontologica Polonica; 2003, 48, 3
0567-7920
Pojawia się w:: Acta Palaeontologica Polonica
Dostawca treści:: Biblioteka Nauki

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