Morphology and anatomy of the angiosperm fruit Baccatocarpon, incertae sedis, from the Maastrichtian Deccan Intertrappean Beds of India
1
Florida Museum of Natural History, University of Florida, Gainesville, FL, 32611-7800, USA
2
Department of Botany, Jashbhai Maganbhai Patel College, Bhandara, 441902-M.S., India
3
Gondia Education Society High School and Junior College, Mohadi. Dist., Gondia, 4416014-M.S., India
4
Department of Botany, Bhagwantrao Arts and Science College, Etapalli, M.S., India
5
Department of Earth & Environmental Sciences and Museum of Paleontology, University of Michigan, Ann Arbor, MI, 48019, USA
Online publication date: 2019-12-16
Publication date: 2019-12-16
Acta Palaeobotanica 2019; 59(2): 241–250
KEYWORDS
ABSTRACT
Distinctive permineralized fruits of Baccatocarpon mohgaoense (Paradkar & Dixit) comb. nov. have been collected from several sites in the late Maastrichtian of the Deccan Intertrappean beds of Central India. We describe the peculiar fruits in detail, based on combined investigations by reflected light and X-ray CT scanning. Three-dimensional renderings and virtual slices confirm that the fruits have two lateral single-seeded locules and a central sterile chamber filled with parenchyma. The endocarp is thin-walled and opens apically longitudinal valves. Here we validate the generic name Baccatocarpon Bhowal & Sheikh ex Manchester, Ramteke, Kapgate & S.Y. Smith and recognize a single species, for which the name Baccatocarpon mohgaoense (Paradkar & Dixit) comb. nov. has priority. We document the occurrence of this species in cherts from the paleobotanical sites known as Bhutera, Keria, Mahurzari, Mohgoankalan, Paladaun, Marai Patan and Shibla. The systematic affinity of these fruits remains mysterious.
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