Also known as BSIP Section J(743B)
Where: Gujarat, India (23.3° N, 69.8° E: paleocoordinates 36.9° S, 36.9° E)
• coordinate estimated from map
When: Bhuj Formation, Late/Upper Aptian to Late/Upper Aptian (122.5 - 109.0 Ma)
• Previous authors have considered this section to be Middle-Late Jurassic or Early Cretaceous; palynostratigraphy indicates that it is likely late Aptian - early Albian in age (Kumar 2018)
• group of beds-level stratigraphic resolution
Environment/lithology: fluvial-lacustrine; shale and sandstone
Size class: microfossils
Preservation: original sporopollenin
Collection methods: surface (in situ), chemical,
• Repository: Birbal Sahni Institute of Palaeobotany, Lucknow, Uttar Pradesh, India
•Venkatachala 1968: "Ten-twelve grams of material were kept in Hydrofluoric acid (40%) for 2-4 days followed by Nitric acid (40%) for 2-3 days. Potassium hydroxide solution (3%) was used for 2-3 minutes. The slides were prepared with Polyvenyl alcohol and mounted in canada balsam."
•Banerji et al. 1984: "Each megaspore was first photographed in dry state under reflected light and its characters were noted. After photographing in dry state, the megaspore was transferred to a covered petridish and was oxidised with nitric acid, sometimes using potassium chlorate. The oxidised material was digested with potassium hydroxide and cleaned with water. Observations were made at frequent intervals during this progressive maceration and photographs were taken, as and when felt necessary, by transmitted light."
Primary reference: J. Banerji, B. N. Jana, and H. K. Maheshwari. 1984. The Fossil Floras of Kachchh. II - Mesozoic Megaspores. The Palaeobotanist 33:190-227 [R. Lupia/T. Naeher/T. Naeher]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 32378: authorized by Rick Lupia, entered by Tiffany Naeher on 27.06.2003, edited by Bethany Allen
Creative Commons license: CC BY (attribution)
Taxonomic list
Retinosporites indica2 Oldham and Morris 1863
Allocladus biswasianus n. sp.1 Bose and Banerji 1984 | |
Callialasporites trilobatus2, Callialasporites dampieri2, Podocarpidites sp.2, Podocarpidites rarus n. sp.2, Podocarpidites major2, Podocarpidites densus n. sp.3, Microcachryidites antarcticus2, Platysaccus indicus n. sp.3, "Elatocladus confertus" = Elatocladus conferta1
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Nilssoniopteris variabilis n. sp.1, Williamsonia trambauensis n. sp.1, Ptilophyllum horridum n. sp.2, "Ptilophyllum distans" = Ptilophyllum distanse1, Ptilophyllum indicum1, Ptilophyllum institacallum1, Ptilophyllum cutchense1, Ptilophyllum oldhamii1, Otozamites imbricatus2
Nilssoniopteris variabilis n. sp.1 Bose and Banerji 1984
Williamsonia trambauensis n. sp.1 Bose and Banerji 1984
Ptilophyllum horridum n. sp.2 Roy 1967
"Ptilophyllum distans" = Ptilophyllum distanse1 Feistmantel 1877
Ptilophyllum indicum1 Jacob and Jacob 1954
Ptilophyllum institacallum1 Bose 1959
Ptilophyllum cutchense1 Morris 1840
Ptilophyllum oldhamii1 Jacob and Jacob 1954
Otozamites imbricatus2 Feistmantel 1876 | |
Pinopsida | |
Pityosporites sp.2 Seward 1914 | |
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Lophotriletes | |
Lophotriletes sp.2 Potonié and Kremp 1954 | |
Erlansonisporites | |
Horstisporites | |
Bacutriletes | |
Hughesisporites | |
Hughesisporites sp. Potonié 1956 | |
Cycadopsida | |
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Pseudoctenis fragilis n. sp.1
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Concavissimisporites | |
Concavissimisporites kutchensis n. sp.2, Concavissimisporites crassatus3, Concavissimisporites subverrucosus n. sp.3
Concavissimisporites kutchensis n. sp.2 Venkatachala 1968
Concavissimisporites crassatus3 Delcourt et al. 1963
Concavissimisporites subverrucosus n. sp.3 Venkatachala 1968 | |
Thomsonia | |
Thomsonia cutchensis n. sp.2 Singh et al. 1964 | |
Verrutriletes | |
Lorumformophyllum dentatum | |
Lorumformophyllum dentatum n. gen. n. sp.1
Lorumformophyllum dentatum n. gen. n. sp.1 Bose and Banerji 1984 | |
Staplinisporites caminus | |
Staplinisporites caminus2 Pocock 1962 | |
Marchantiopsida | |
Aequitriradites indicus n. sp.2
Aequitriradites indicus n. sp.2 Singh et al. 1964 | |
Coptospora | |
Coptospora kutchensis n. sp.3
Coptospora kutchensis n. sp.3 Venkatachala 1968 | |
Hepaticae | |
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Valvisisporites | |
Valvisisporites minor Singh et al. 1964 | |
Umiaspora bosei | |
Umiaspora bosei Singh et al. 1964 | |
Carpolithes | |
Carpolithes sp.1 Schlotheim 1820 | |
Dijkstraisporites | |
Dijkstraisporites filiformis Singh et al. 1964 | |
Trambaua apiculata | |
Trambaua apiculata n. gen. n. sp.1
Trambaua apiculata n. gen. n. sp.1 Bose and Banerji 1984 | |
Callialasporites triletus | |
"Callialasporites triletus n. sp." = Singhiapollis triletus2
"Callialasporites triletus n. sp." = Singhiapollis triletus2 Singh et al. 1964 | |
Enzonalasporites | |
Enzonalasporites sp.2 Leschik 1955 | |
Trileites | |
Trileites sp.2 Marcinkiewicz 1971 | |
Equisetopsida | |
Brachyphyllum royii n. sp.1, Araucariacites cooksonii n. sp.2, Araucariacites australis2, Pagiophyllum grantii1, Araucarites cf. nipaniensis1, Araucarites janaianus n. sp.1, Araucarites minutus1
Brachyphyllum royii n. sp.1 Bose and Banerji 1984
Araucariacites cooksonii n. sp.2 Singh et al. 1964
Araucariacites australis2 Cookson 1947
Pagiophyllum grantii1 Bose and Banerji 1984
Araucarites cf. nipaniensis1 Singh 1957
Araucarites janaianus n. sp.1 Bose and Banerji 1984
Araucarites minutus1 Bose and Maheshwari 1973 | |
Peltaspermopsida | |
Pachypteris cf. elegans1 Archangelsky 1966
Pachypteris holdenii n. sp.2 Bose and Roy 1968 | |
Cycadeoideopsida | |
Conites sp.1 Sternberg 1823 | |
Baculareticulosporis cutchensis | |
Baculareticulosporis cutchensis n. gen. n. sp.2
Baculareticulosporis cutchensis n. gen. n. sp.2 Singh et al. 1964 | |
Selaginellites | |
cf. Selaginellites sp.1 Zeiller 1906 | |
Auriculozonospora reticulata | |
Auriculozonospora reticulata n. gen. n. sp.2
Auriculozonospora reticulata n. gen. n. sp.2 Singh et al. 1964 | |
Murospora | |
Murospora punctata3 Venkatachala 1968 | |
Impardecispora apiverrucata | |
Impardecispora apiverrucata2 Venkatachala et al. 1968 | |
Trilobosporites | |
"Impardecispora purverulentus" = Trilobosporites purverulentus3, "Impardecispora trioreticulosus" = Trilobosporites trioreticulosus2
"Impardecispora purverulentus" = Trilobosporites purverulentus3 Dettmann 1963
"Impardecispora trioreticulosus" = Trilobosporites trioreticulosus2 Cookson and Dettmann 1958 | |
Concavisporites | |
Concavisporites cutchensis n. sp.2 Singh et al. 1964
Concavisporites indicus n. sp.2 Venkatachala 1968 | |
Polypodiopsida | |
Baculatisporites comaumensis2 Potonie 1953 | |
Cladophlebis daradensis1 Bose and Banerji 1984
Cladophlebis cf. kathiawarensis1 Roy 1968 | |
Contignisporites cooksonii2 Dettmann 1963
Contignisporites fornicatus2 Dettmann 1963
Adiantopteris sp.1 Vassilevskaja 1963 | |
Matonidium indicum1 Sahni 1936
Boseisporites praeclarus2 Sukh-Dev 1961 | |
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Cyatheacidites granulosus n. sp.2 Singh et al. 1964
Cyatheacidites verrucosus n. sp.2 Singh et al. 1964 | |
Biretisporites spectabilis3 Dettmann 1963 | |
Gleicheniidites indicus n. sp.2 Singh et al. 1964
Gleichenites sp.1 Göppert 1836 | |
Pteridopsida | |
Matonisporites sp.2 Couper 1958
Matonisporites kutchensis n. sp.3 Venkatachala 1968
Ischyosporites crateris2 Balme 1957 | |
Lycopodiacidites asperatus3 Dettman 1963
Lycopodiacidites minor n. sp.2 Singh et al. 1964 | |
Cyathidites pseudopunctatus3, Cyathidites cutchensis3, Cyathidites grandis3, Cyathidites ghuneriensis2, Cyathidites minor2, Cyathidites australis2, Osmundacidites cf. wellmanii2, Deltoidospora pseudoreticulata n. sp.2
Cyathidites pseudopunctatus3 Singh et al. 1964
Cyathidites cutchensis3 Singh et al. 1964
Cyathidites grandis3 Singh et al. 1964
Cyathidites ghuneriensis2 Singh et al. 1964
Cyathidites minor2 Couper 1953
Cyathidites australis2 Couper 1953
Osmundacidites cf. wellmanii2 Couper 1953
Deltoidospora pseudoreticulata n. sp.2 Singh et al. 1964 | |
Lycopsida | |
"Foveotriletes parviretus" = Foveotriletes parvirectus3
"Foveotriletes parviretus" = Foveotriletes parvirectus3 Dettmann 1963 | |
Lycopodiopsida | |
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Minerisporites mineri, Minerisporites reticulatus, Minerisporites mesosporeoides n. sp.2, Minerisporites cutchensis, Minerisporites auriculatus
Minerisporites mineri clubmoss
Minerisporites reticulatus clubmoss
Minerisporites cutchensis Singh et al. 1964 clubmoss
Minerisporites auriculatus Singh et al. 1964 clubmoss | |
Schizosporis sprigii | |
Schizosporis sprigii3 Cookson and Dettman 1959 | |
Schizosporis | |
Schizosporis vermiculatus n. sp.2
Schizosporis vermiculatus n. sp.2 Singh et al. 1964 | |
Schizosporis reticulatus | |
Schizosporis reticulatus3 Cookson and Dettmann 1959 | |
Schizosporis | |
Schizosporis laevigatus n. sp.3
Schizosporis laevigatus n. sp.3 Venkatachala 1968 | |
Paxillitriletes | |