On some Algal and Fungal remains from Tura Formation of Garo Hills, Assam

Kar, R.K.; Singh, R.Y.; Sah, S.C.D.

doi:10.54991/jop.1970.862

Cited by 5 publications

(11 citation statements)

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“…6, 7. Remarks -Microthyriaceous and allied fungal remains have been described from the various Tertiary sediments in wide geographical regions (Edwards, 1922;Potonie, 1934;Potonie & Venitz, 1934;Thiergart, 1940;Kirchheimer, 1942;Wilson & Webster, 1946;Cookson, 1947;Hunger, 1953;Maacz & Simoncsics, 1956;Neuy-Stolz, 1958;Rao, 1959;Raukopf, 1959;Kedves, 1960;Graham, 1962;Dilcher, 1965;Sah, 1967;Venkatachala & Kar, 1969b;Jain & Gupta, 1970;Kar, Singh & Sah, 1972;Ramanujam & Rao, 1973;Jain, 1974 and others).…”

Section: -Phycopeltis Microthyrioidesmentioning

confidence: 99%

Algal and Fungal Microfossils from Matanomadh Formation (Palaeocene), Kutch, India

Kar¹,

Saxena²

1974

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Algal and fungal microfossils recovered from the type area of Matanomadh Formation (Palaeocene), in the district of Kutch, Gujarat have been described. The assemblage comprises 20 genera and 27 species. Out of these, 10 genera and 13 species belong to algae and 10 genera and 14 species belong to fungi. Of the algae, Leioplanktona gen. nov. and Matanomadhia gen. nov. are quite common. Amongst the fungi, Phragmothyrites (Edw.) emend., Notothyrites Cook. (1947) and Inapertusporites (v.d. Ham.) Els. (1968) are frequently found. Microthyriacites Cook. (1947), Callimothallus Dil. (1965), Microthallites Dil. (1965) and Pseudosphaerialites Venk. & Kar (1969b) have been regarded here as junior synonyms of Phragmothyrites (Edw.) emended here. The present assemblage has been compared with the known algal and fungal assemblages from the Tertiaries of India. It has been inferred on the good percentage of microthyriaceous fungi that during Palaeocene, Matanomadh and the adjacent regions were having a tropical and humid climate favouring a luxuriant vegetation of pteridophytes and angiosperms.

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Section: -Phycopeltis Microthyrioidesmentioning

confidence: 99%

Algal and Fungal Microfossils from Matanomadh Formation (Palaeocene), Kutch, India

Kar¹,

Saxena²

1974

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“…The absence of a central core of thick walled cells in the thyriothecia of this species, and their structural nature led Kalgutkar and Jansonius (2000) to agree with Kar et al (1972) on transferring Microthyriacites edwardsii Rao 1958 to Phragmothyrites. However, they did not consider the new combination as validly published for the lack of citation of basionym.…”

Section: Remarksmentioning

confidence: 68%

“…Phragmothyrites edwardsii (Rao 1958) Kalgutkar & Jansonius, AASP Contribution Series 39, p. 230-231. 2000, non (Rao 1958) Kar et al 1972.…”

Section: Microthyriacites Edwardsiimentioning

confidence: 99%

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Indian Fossil Fungi

Saxena¹,

Tripathi²

2011

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The main objective of this publication is to synthesize the available information on Indian fossil fungi published so far. It contains four main parts, Introduction, Terminology, Description and Discussion. The introductory part provides a brief account of diversity of fungal remains through the ages, scope and organization of the publication and classification of fossil fungal spores and fruiting bodies. The Terminology part defines the commonly used terms for describing fungal remains. The Description part provides description of all the fossil fungal taxa known so far from India along with their illustration, locality, age and Indian records. MycoBank number of each genus and species is also provided. Fifteen new species, viz. Dicellaesporites classicus, Dicellaesporites jainii, Dicellaesporites singhii, Foveoletisporonites keralensis, Frasnacritetrus masolensis, Fusiformisporites barmerensis, Inapertisporites chandrae, Inapertisporites karii, Inapertisporites sahii, Kutchiathyrites mehrotrae, Monoporisporites meghalayaensis, Multicellites chandrae, Pluricellaesporites himachalensis, Pluricellaesporites keralensis and Pluricellaesporites mehrotrae and twelve new combinations, viz. Kutchiathyrites perfectus (Kar et al.), Meliolinites tlangsamensis (Kar et al.), Multicellites circularis (Samant and Tapaswi), Multicellites himalayaensis (Gupta), Multicellites jainii (Gupta), Multicellites psilatus (Saxena), Multicellites ramanujamii (Gupta), Multicellites reticulatus (Samant and Tapaswi), Palaeomycites dichotomus (Kar et al.), Palaeomycites excellensus (Kar et al.), Palaeomycites globatus (Sharma et al.) and Palaeomycites minutus (Kar et al.) have been proposed. This part also records informally published fungal remains along with reference to page of their publication, illustration, horizon and age and location of occurrence. The Discussion part includes diagnostic characteristics of fossil fungal spores and fruiting bodies, general remarks on Indian fossil fungal records and stratigraphic and palaeoclimatic interpretations.

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“…C OALIFEROUS sequences of the Tura Formation occur at various places in the Garo Hills, Meghalaya (Raja Rao, 1981). Palynological studies of this formation dealt mostly with taxonomy, stratigraphic ranges of the palynotaxa and age determination (Banerjee, 1964;Biswas, 1962;Chatterjee & Ghosh, 1962;Ghosh AMN, 1954;Ghosh TK, 1969;Kar et al, 1972;Sah & Singh, 1974;Singh, 1977aSingh, , b, 1982. These palynoassemblages are characterised by dominance of angiosperm pollen showing botanical affinities with the plants pertaining to the megathermal evergreen forests existed in the region during the late Palaeocene.…”

Section: Introductionmentioning

confidence: 99%

Further palynological investigation of coaliferous sequences of Tura Formation of Nangwalbibra, East Garo Hills, Meghalaya: inferences on palaeovegetation and palaeoclimate

Monga¹,

Srivastava²,

Kumar³

et al. 2014

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The coal and carbonaceous shales collected from the Tura Formation (late Palaeocene) of Nangwalbibra, East Garo Hills, Meghalaya, have been analysed for palynological study to deduce palaeovegetation and palaeoclimate. The palynoflora represented by pteridophytic spores and angiospermic pollen grains shows similarity with other contemporaneous deposits of the Garo, Khasi and Jaintia Hills of Meghalaya. The palynoassemblage dominated by angiosperms depicts subtropical to tropical vegetation during the late Palaeocene in the region. The fossil pollen grains show their similarity with modern plants of various tropical angiosperm families, like Alangiaceae, Anacardiaceae, Annonaceae, Arecaceae, Bombacaceae, Clusiaceae and Gunneraceae, etc. which indicate the existence of tropical evergreen to moist deciduous forest. Some of the taxa resemble the floral elements growing near swamps in the tropical zone. The fossil palynoflora indicates warm and humid climate during the depositional period. The study is supported by plant megafossil data known from the same horizon.

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On some Algal and Fungal remains from Tura Formation of Garo Hills, Assam

Cited by 5 publications

References 5 publications

Algal and Fungal Microfossils from Matanomadh Formation (Palaeocene), Kutch, India

Algal and Fungal Microfossils from Matanomadh Formation (Palaeocene), Kutch, India

Indian Fossil Fungi

Further palynological investigation of coaliferous sequences of Tura Formation of Nangwalbibra, East Garo Hills, Meghalaya: inferences on palaeovegetation and palaeoclimate

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