<i>Satpuraphyllum furcatum—</i> a new genus and species of Peltaspermales foliage from the mid-Permian Barakar Formation of India

Satpuraphyllum furcatum gen. et sp. nov. is introduced to accommodate once- to twice-forked leaves with slender entire-margined segments containing a midrib that gives off very acute, freely dichotomizing, secondary veins. The leaves are amphistomatic, bearing incompletely monocyclic to amphicyclic stomata and diverse trichomes, papillae, and sparse multicellular low domal glands. These collective characters favour assignment to Peltaspermales and this is supported by co-preservation, in the same beds, of leaves with shield-shaped bracts bearing marginal seed scars. Satpuraphyllum furcatum is documented from the upper Barakar Formation (Kungurian) of central India and is the oldest known peltasperm from the core regions of Gondwana. Its presence in the Satpura Basin at that time signifies an early penetration of Peltaspermales into the Southern Hemisphere, possibly during the Artinskian–Kungurian Warming Event (initiating ca 287 Ma).

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Publication Details

Journal
Alcheringa An Australasian Journal of Palaeontology
Published
2024-10-28
DOI
https://doi.org/10.1080/03115518.2024.2415097
Citations
1
Primary Topic
Plant Diversity and Evolution
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article
Field-Weighted Citation Impact
1.03

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article

Satpuraphyllum furcatum— a new genus and species of Peltaspermales foliage from the mid-Permian Barakar Formation of India

Deepa Agnihotri, Stephen McLoughlin, A. K. Srivastava
1 citations
Alcheringa An Australasian Journal of Palaeontology
Plant Diversity and Evolution
1.03
article

Satpuraphyllum furcatum— a new genus and species of Peltaspermales foliage from the mid-Permian Barakar Formation of India

Deepa Agnihotri, Stephen McLoughlin, A. K. Srivastava
article en
1 citations

Abstract

Satpuraphyllum furcatum gen. et sp. nov. is introduced to accommodate once- to twice-forked leaves with slender entire-margined segments containing a midrib that gives off very acute, freely dichotomizing, secondary veins. The leaves are amphistomatic, bearing incompletely monocyclic to amphicyclic stomata and diverse trichomes, papillae, and sparse multicellular low domal glands. These collective characters favour assignment to Peltaspermales and this is supported by co-preservation, in the same beds, of leaves with shield-shaped bracts bearing marginal seed scars. Satpuraphyllum furcatum is documented from the upper Barakar Formation (Kungurian) of central India and is the oldest known peltasperm from the core regions of Gondwana. Its presence in the Satpura Basin at that time signifies an early penetration of Peltaspermales into the Southern Hemisphere, possibly during the Artinskian–Kungurian Warming Event (initiating ca 287 Ma).

Alcheringa An Australasian Journal of PalaeontologyVol. 49(1)
Twitter (United States) (US)
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Openalex Percentile: Top 17%
Plant Diversity and Evolution
1.03
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