Amarjola, Rajmahal Hills (Jurassic of India)
Also known as Amirjola
Where: Jharkhand, India (24.5° N, 87.6° E: paleocoordinates 41.2° S, 41.1° E)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Rajmahal Formation, Late/Upper Jurassic (161.5 - 145.0 Ma)
• "Rajmahal Stage" (Lakhanpal et al. 1976)
• group of beds-level stratigraphic resolution
Environment/lithology: fluvial; lithology not reported
Size class: macrofossils
Primary reference: R. N. Lakhanpal, H. K. Maheshwari, and N. Awasthi. 1976. A Catalogue of Indian Fossil Plants. 1-318 [B. Allen/B. Allen]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 224719: authorized by Bethany Allen, entered by Bethany Allen on 31.03.2022
Creative Commons license: CC BY (attribution)
Taxonomic list
Show authors, comments, and common names
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Taxodioxylon sp. Hartig 1848 cypress
Cupressinoxylon (Taxodioxylon) rajmahalense n. sp. Bharadwaj 1953 cypress | |
Mesembrioxylon indicum n. sp., Mesembrioxylon rajmahalense n. sp.
Mesembrioxylon indicum n. sp. Bharadwaj 1953 podocarp
Mesembrioxylon rajmahalense n. sp. Jain 1965 podocarp | |
Coniferocaulon amarjolense n. sp., Coniferocaulon latisulcatum n. sp.
Coniferocaulon amarjolense n. sp. Sah 1958
Coniferocaulon latisulcatum n. sp. Sah 1959 | |
| Bennettitales | |
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Bennettitales indet. Bessey 1910 | |
Ptilophyllum guptae n. sp., Ptilophyllum amarjolense n. sp., Ptilophyllum sahnii n. sp., Ptilophyllum sparsifolium n. sp., "Homoxylon rajmahalense" = Sahnioxylon rajmahalense, Anomozamites sp., Anomozamites amarjolense n. sp., Pterophyllum rajmahalense, "Nilssonia sahnii" = Pterophyllum guptai, "Osmundites sp." = Pterophyllum, Dictyozamites falcatus, Guptioxylon amarjolense n. gen. n. sp., Guptioxylon endocentrica n. sp., Purioxylon jurassica n. gen. n. sp., Williamsonia sp., Williamsonia scotica, Williamsonia sewardiana n. sp., Williamsonia amarjolense n. sp., Williamsonia guptae n. sp., Williamsonia harrisiana n. sp., "Cycadeoidea dactylota n. sp." = Amarjolia dactylota
Ptilophyllum guptae n. sp. Sharma 1967
Ptilophyllum amarjolense n. sp. Bose 1953
Ptilophyllum sahnii n. sp. Gupta and Sharma 1968
Ptilophyllum sparsifolium n. sp. Sharma 1967
"Homoxylon rajmahalense" = Sahnioxylon rajmahalense Sahni 1932
Anomozamites sp. Schimper 1870
Anomozamites amarjolense n. sp. Sharma et al. 1971
Pterophyllum rajmahalense Morris 1863
"Nilssonia sahnii" = Pterophyllum guptai Bose and Banerji 1981
"Osmundites sp." = Pterophyllum Brongniart 1828
Dictyozamites falcatus Morris 1863
Guptioxylon amarjolense n. gen. n. sp. Sharma 1969
Guptioxylon endocentrica n. sp. Sharma 1972
Purioxylon jurassica n. gen. n. sp. Sharma 1972
Williamsonia sp. Carruthers 1870
Williamsonia sewardiana n. sp. Sahni 1932
Williamsonia amarjolense n. sp. Sharma 1968
Williamsonia guptae n. sp. Sharma 1968
Williamsonia harrisiana n. sp. Bose 1968
"Cycadeoidea dactylota n. sp." = Amarjolia dactylota Bose 1966 | |
| Pteropsida | |
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Pecopteris sp. Brongniart 1822 | |
| Polypodiopsida | |
"Cladophlebis indica" = Todites indicus, Osmundacaulis guptai n. sp., Osmundacaulis estipulare n. sp., "Osmundites rajmahalense n. sp." = Osmundacaulis rajmahalense, Osmundacaulis amarjolense n. sp., Osmundacaulis indica n. sp.
"Cladophlebis indica" = Todites indicus Oldham and Morris 1862
Osmundacaulis guptai n. sp. Sharma 1973
Osmundacaulis estipulare n. sp. Sharma et al. 1979
"Osmundites rajmahalense n. sp." = Osmundacaulis rajmahalense Gupta 1970
Osmundacaulis amarjolense n. sp. Sharma 1973
Osmundacaulis indica n. sp. Sharma 1973 | |
| Cycadopsida | |
"Stangerites ensis" = Taeniopteris ensis, Cycadinorachis omegoides n. gen. n. sp., "Anomozamites fissus" = Nilssonia fissa, Bucklandia sp., Bucklandia guptae n. sp., Bucklandia sahnii n. sp., Bucklandia dichotoma, Fascisvarioxylon mehtae n. gen. n. sp., "Sewardioxylon sahnii n. gen. n. sp." = Fascisvarioxylon sahnii
"Stangerites ensis" = Taeniopteris ensis Oldham 1863 cycads
Cycadinorachis omegoides n. gen. n. sp. Sharma 1969 cycads
"Anomozamites fissus" = Nilssonia fissa Feistmantel 1879 cycads
Bucklandia sp. Sternberg 1825 cycads
Bucklandia guptae n. sp. Sharma 1967 cycads
Bucklandia sahnii n. sp. Bose 1953 cycads
Bucklandia dichotoma Sharma 1969 cycads
Fascisvarioxylon mehtae n. gen. n. sp. Jain 1964 cycads
"Sewardioxylon sahnii n. gen. n. sp." = Fascisvarioxylon sahnii Gupta 1971 cycads | |
Thinnfeldia cf. lancifolia, Thinnfeldia sp., Thinnfeldia cf. feistmanteli, Thinnfeldia amarjolensis n. sp.
Thinnfeldia cf. lancifolia cycads
Thinnfeldia sp. Ettingshausen 1852 cycads
Thinnfeldia cf. feistmanteli Johnston 1895 cycads
Thinnfeldia amarjolensis n. sp. Sharma et al. 1971 cycads | |
| Taxoxylon | |
Taxoxylon indicum n. sp.
Taxoxylon indicum n. sp. Bharadwaj 1952 | |
| Ginkgoopsida | |
|
Pentoxylon sahnii Srivastava 1944
Nipaniophyllum raoi Sahni 1948 | |
| Sphenopteridae | |
|
Sphenopteris sp. Sternberg 1825 | |
| Equisetopsida | |
Araucariaceae indet., cf. Brachyphyllum sp., Brachyphyllum spiroxylum n. sp., Dadoxylon jurassicum n. sp.
Brachyphyllum spiroxylum n. sp. Bose 1952
Dadoxylon jurassicum n. sp. Bharadwaj 1953 | |
| Selaginellites gracilis | |
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Selaginellites gracilis Oldham and Morris 1863 | |