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Ecpagloxylon mathiesenii
Ecpagloxylon mathiesenii Marc Philippe, Cuny, A. Bamford Pl. Syst. Evol., 287(3-4): 155. Jul 2010
- Name
- Ecpagloxylon mathiesenii
- Rank
- Species
- Generic Name
- [Genus] Ecpagloxylon
- Authors (Pub.)
- Philippe M.
Cuny G.
Bamford A.
- Publication
- Ecpagloxylon mathiesenii gen. nov. et sp. nov., a Jurassic wood from Greenland with several primitive angiosperm features [2010/7]
- Journal
- Plant Systematics and Evolution
- Volume
- 287
- Issue
- 3-4
- Page number
- 155
- Year
- 2010
- Fossil Status
- stems (wood)
- Stratigraphy
- Toarcian
- Strat. comment
- Neill Klinter Formation
- Location
- Hjørnefjæld, Jameson Land, Eastern Greenland
- Paleoregion
- America (North)
Data for Holotypus
- Repository
- Type and Illustrated Paleontology Collection, Natural History Museum of Denmark, University of Copenhagen, Copenhagen, Denmark
- Repository Number
- Sample 108 in Mathiesen’s collection; no longer a hand specimen of this wood, having been cut into sixteen slides (ten transversal sections, two tangential, and three radial) and some fragments glued on to stubs MP419, MP434, and MP435.
- Diagnosis
- Sub-heteroxylous tracheidoxyl with marked growth-rings; tracheid tips acuminate or square, often associated with ray, sometimes several on one level; radial pitting araucarian uniseriate in narrow tracheids, of the mixed type in medium sized tracheids, scalariform in the widest tracheids; axial parenchyma present, often associated with ray; rays uni (bi, tri) seriate, heterogenous or homogenous; all ray cell elongated, with thin walls, tangential and transversal ones with numerous small pits (no Abietineentu¨pfelung), crossfields araucarioid.
