Corals from the Chouteau and related formations of the Mississippi Valley Region,

Easton, William Heyden

doi:10.5962/bhl.title.61660

Cited by 7 publications

(9 citation statements)

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“…Nominal species in Western Interior Province. Specimens in the Western Interior Province may be conspecific with M. deminutivum Easton, 1944, which was described from the Chouteau Limestone of Missouri.…”

Section: Genus Lophophyllum Milne-edwards and Haime 1850mentioning

confidence: 99%

“…S. ulrichanum includes the junior synonym Triplophyllites (Homalophyllites) paucicinctus Easton and Gutschick, 1953. Discussion. Sychnoelasma includes corals previously referred to Homalophyllites Easton, 1944(e.g., Sando, 1960b. We agree with Sayutina's (1976) placement of Homalophyllites as a junior synonym of Sychnoelasma.…”

Section: Genus Siphonodendron Mccoy 1849mentioning

confidence: 99%

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Coral zonation of the Mississippian System in the Western Interior Province of North America

Sando¹,

Bamber²

1985

Professional Paper

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Analysis of the distribution of coral taxa, principally genera and subgenera, in the Mississippian of the Western Interior Province of Canada and the conterminous United States permits recognition of a system of coral zones and subzones useful for correlating stratigraphic units throughout an area extending from the southwestern District of Mackenzie in the Northwest Territories of Canada to southern California in the United States. The zonation comprises six Oppel zones, four of which are divided into locally useful subzones. Coral Zone I corresponds approximately to the Kinderhookian Provincial Series and is divided into Subzones A, B, and C. Coral Zone II corresponds approximately to the Osagean Provincial Series and is divided into Subzones A and B. The Tournaisian Stage of western Europe is represented by Coral Zones I and II. Coral Zone III corresponds approximately to the lower and middle parts of the Meramecian Provincial Series and is divided into Subzones A, B, C, and D. Coral Zone IV corresponds approximately to the upper part of the Meramecian and is not divided. Coral Zone V corresponds approximately to the lower and middle parts of the Chesterian Provincial Series and is divided into Subzones A and B. Coral Zone VI corresponds approximately to the upper part of the Chesterian and is not divided. The Visean Stage of western Europe is represented by Coral Zones III and IV and Subzone VA. The lower part of the Namurian Stage of western Europe is represented by Coral Subzone VB and Zone VI. Deep-water and shallow-water coral biofacies are discussed and integrated into the zonation system. The coral zones are correlated with foraminifer and conodont zones, which provide the primary bases for establishing ranges of coral taxa. Forty-five coral genera and subgenera used in the zonation are diagnosed, discussed, and illustrated. Correlations of Mississippian formations in the Western United States and Western Canada are presented as examples of the utility of the coral zonation.

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Section: Genus Lophophyllum Milne-edwards and Haime 1850mentioning

confidence: 99%

Section: Genus Siphonodendron Mccoy 1849mentioning

confidence: 99%

Coral zonation of the Mississippian System in the Western Interior Province of North America

Sando¹,

Bamber²

1985

Professional Paper

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“…The close similarity or relationship of the coral fauna from the Kirghiz Steppe to corals from the United States mentioned by Gorskiy (1932, p. 58) is particularly doubtful. In the light of subsequent revisions (e.g., Easton 1944;Sando 1965;Sando & Bamber 1985), his conclusions (as based on nineteenth and twentieth century descriptions by American palaeontologists), cannot be ascribed to today.…”

Section: Introductionmentioning

confidence: 95%

Tournaisian and Viséan Lophophyllum of Gorskiy (1932) from the Kirghiz Steppe and a possible ancestor of a new Bashkirian rugose coral genus from the Donets Basin (Ukraine)

Fedorowski

2017

Geologos

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All specimens assigned by Gorskiy (1932) to the genus Lophophyllum Milne Edwards and Haime, 1850 are revised, redescribed and reillustrated. The corallite identified by him as a second, specifically indeterminate species of Lophophyllum is here questionably included in Amygdalophyllum Dun and Benson, 1920. For the reminding specimens two new, unnamed genera are suggested. "Lophophyllum" subtortuosum Gorskiy, 1932 belongs to a new, non-dissepimented genus of an unknown family. A possible relationship between gen. nov. 1, sp. nov. 1 and the new Bashkirian genus from the Donets Basin (Ukraine) is proposed.

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“…Several authors followed Schindewolf (1942) concept of Pentaphyllum , adding data derived from their own specimens. Wang (1950, p. 208) illustrated this well; he not only synonymized Oligophyllum, Cryptophyllum and Pseudocryptophyllum Easton, 1944 with Pentaphyllum , but added that ‘septa [are] composed of lamellar tissue only’. Although it was repeated by Cotton (1973, p. 152), this information was certainly not taken from the diagenetically altered lectotype of P. armatum .…”

Section: History Of Studymentioning

confidence: 99%

“…P. armatum , selected as type species for the genus by Hinde (1890) possesses six, not five leading major septa. Consequently, all taxa except Hexalasma Soshkina, 1928, and perhaps Pseudocryptophyllum Easton, 1944, are unrelated to Pentaphyllum . It is proposed to restrict the name Pentaphyllum to the lectotype.…”

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confidence: 99%

REVISION OF PENTAPHYLLUM DE KONINCK, 1872 (ANTHOZOA, RUGOSA)

Fedorowski¹

2009

Palaeontology

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Lectotypes of Pentaphyllum armatum and P. caryophyllatum, both of De Koninck (1872) have been sectioned for the first time and are completely illustrated; both are preserved as silicified outer shells with inner structures dissolved. The morphology of the calices strongly suggests that they have different taxonomic positions. Thus, their synonymy, suggested by Schindewolf (1942), is rejected. P. armatum, selected as type species for the genus by Hinde (1890) possesses six, not five leading major septa. Consequently, all taxa except Hexalasma Soshkina, 1928, and perhaps Pseudocryptophyllum Easton, 1944, are unrelated to Pentaphyllum. It is proposed to restrict the name Pentaphyllum to the lectotype. The well established Cryptophyllum Carruthers, 1919, which includes P. caryophyllatum, is considered valid. In addition to a brief analysis of Lower Carboniferous corals included here in Cryptophyllum, a few specimens from the British Tournaisian are described and illustrated to show morphological variability of specimens from the same bed. Review of earlier studies on these types of corals, discussion on the difference between zaphrentoid and cryptophylloid early ontogeny and its bearing on taxonomy, and description of taxa, are also included.

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Corals from the Chouteau and related formations of the Mississippi Valley Region,

Cited by 7 publications

References 0 publications

Coral zonation of the Mississippian System in the Western Interior Province of North America

Coral zonation of the Mississippian System in the Western Interior Province of North America

Tournaisian and Viséan Lophophyllum of Gorskiy (1932) from the Kirghiz Steppe and a possible ancestor of a new Bashkirian rugose coral genus from the Donets Basin (Ukraine)

REVISION OF PENTAPHYLLUM DE KONINCK, 1872 (ANTHOZOA, RUGOSA)

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