Ischyosporites problematicus Jaramillo and Dilcher 2001 (fern)

Pteridopsida

Full reference: C. A. Jaramillo and D. L. Dilcher. 2001. Middle Paleogene palynology of Central Colombia, South America: A study of pollen and spores from tropical latitudes. Palaeontographica Abteilung B 258(4-6):87-213

Belongs to Ischyosporites according to C. A. Jaramillo and D. L. Dilcher 2001

Sister taxa: Ischyosporites areapunctatis, Ischyosporites arkellii, Ischyosporites crateris, Ischyosporites granulosus, Ischyosporites gremius, Ischyosporites irregularis, Ischyosporites punctatus, Ischyosporites scaberis, Ischyosporites variegatus, Ischyosporites volkheimeri

Type specimen: UFP 27, 12 x 114, a microspore

Average measurements (in mm): microspore diameter 0.038

Distribution:

• Eocene of Colombia (1 collection)

• Paleocene of Colombia (3)

Total: 4 collections each including a single occurrence

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Specimen images are retrieved through the ePANDDA API.


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