Results 301 to 310 of about 39,068 (353)

Tumors in the Lower Carboniferous

Science, 1927
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Biogeography of Lower Carboniferous crinoids

Geological Society, London, Memoirs, 1990
Abstract The stratigraphic are ranges of all known crinoid genera of Mississippian and Lower Carboniferous age in western Europe and North America compared. Camerate crinoid distribution was published in 1987 (Lane and Sevastopulo). Inadunate and flexible crinoid ranges are presented here.
N. Gary Lane, G. D. Sevastopulo
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Lower Carboniferous lycopods from Ghana

1971
(Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided.
Mensah, M K, Chaloner, W. G. (William Gilbert)   +1 more
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Lower carboniferous Bryozoa from Scotland

Geological Journal, 1969
AbstractEight species of Bryozoa, two of them new, have been noted from limestones and calcareous shales of the Lower Limestone Group from Hessilhead Quarry, Beith.
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I. The lower Carboniferous microsaurs

Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences, 1967
Redescriptions ofAdelogyrinus simnorhynchusandDolichopareias disjectusare given. The skulls of these forms are characterized by the very anteriorly placed small orbits and long post-orbital skull table. Further diagnostic characters are the exclusion of the ‘post-orbital’ from the orbit, the long straight suture between the squamosal and parietal and ...
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Lower Carboniferous Conodonts from Spiti

Journal Geological Society of India, 1986
Abstract The present paper records Lower Carboniferous conodont fauna from the grey micritic limestone lying immediately above the Muth Formation exposed along the left bank of the Takche nala, between Kunzam La and Losar, Spiti valley, Himachal Pradesh.
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LOWER CARBONIFEROUS (CHESTERIAN) EMBRYONIC ORTHOCERATID NAUTILOIDS

Journal of Paleontology, 2004
More than 500 specimens of embryonic shells of orthocerid nautiloids from the Imo Formation were investigated. Although the material is recrystallized, the external and internal features of the early growth stages are exceptionally well preserved. The material comprises eight species of Pseudorthoceratidae: Pseudorthoceras knoxense(McChesney, 1860 ...
B. KRÖGER, R. H. MAPES
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Lower Carboniferous Algal Microflora, Southwestern Alberta

Canadian Journal of Earth Sciences, 1972
A diverse and relatively prolific Lower Carboniferous algal microflora has been encountered in the Rocky Mountains and Foothills of southwestern Alberta. The algae occur in the Banff, Livingstone, Pekisko, Shunda, Turner Valley, Mount Head, and lower Etherington Formations.
A. A. Petryk, B. L. Mamet
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Some New Lower Carboniferous Gasteropoda

Quarterly Journal of the Geological Society of London, 1912
Eight species are here described, all characterized by the presence of a band on the whorls: in seven it is probably the result of a sinus or slit in the outer lip, but in the eighth it is merely ornamental, as the lines of growth pass over it. These species are referable to six genera or subgenera, five of which are new, namely
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The Lower Carboniferous Waulsortian Facies

1975
Massive lime mudstone containing scattered crinoid and bryozoan fragments and forming lens-like buildups and mounds, constitutes a distinctive and ubiquitous facies in Lower Carboniferous (Tournaisian-Visean) strata throughout the northern hemisphere.
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