Text-fig. 3. Tumidopteris astra sp. nov., holotype GIN 4851/343h, morphology of sori. a: part of fertile pinnule; b: one practically complete sorus located on the terminal part of a lateral vein; c: sorus with four visible sporangia; d: partly damaged sorus with three visible sporangia; e: two neighbouring sori. Locality: the borehole IK-675, depth 961.7 m. Scale 1 mm (a, b, e), 500 Μm (c), 100 Μm (d). in A New Species Of The Genus Tumidopteris Naugolnykh From The Permian Of The Pechora Cis-Urals, Russia
Text-fig. 3. Tumidopteris astra sp. nov., holotype GIN 4851/343h, morphology of sori. a: part of fertile pinnule; b: one practically complete sorus located on the terminal part of a lateral vein; c: sorus with four visible sporangia; d: partly damaged sorus with three visible sporangia; e: two neigh...
Main Author: | |
---|---|
Format: | Still Image |
Language: | unknown |
Published: |
Zenodo
2020
|
Subjects: | |
Online Access: | https://dx.doi.org/10.5281/zenodo.5386676 https://zenodo.org/record/5386676 |
Summary: | Text-fig. 3. Tumidopteris astra sp. nov., holotype GIN 4851/343h, morphology of sori. a: part of fertile pinnule; b: one practically complete sorus located on the terminal part of a lateral vein; c: sorus with four visible sporangia; d: partly damaged sorus with three visible sporangia; e: two neighbouring sori. Locality: the borehole IK-675, depth 961.7 m. Scale 1 mm (a, b, e), 500 Μm (c), 100 Μm (d). : Published as part of Naugolnykh, Serge V., 2020, A New Species Of The Genus Tumidopteris Naugolnykh From The Permian Of The Pechora Cis-Urals, Russia, pp. 270-278 in Fossil Imprint 76 (2) on page 273, DOI: 10.37520/fi.2020.022, http://zenodo.org/record/5386665 |
---|