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Coahuiloxylon terrazasiae
Coahuiloxylon terrazasiae Estrada-Ruiz, Mart.-Cabr., Cev.-Ferriz Amer. J. Bot., 97(7): 1184. Jul 2010
- Name
- Coahuiloxylon terrazasiae
- Rank
- Species
- Generic Name
- [Genus] Coahuiloxylon
- Authors (Pub.)
- Estrada-Ruiz E.
Martínez-Cabrera H. I.
Cevallos-Ferriz S. R. S.
- Publication
- Upper Cretaceous woods from the Olmos Formation (late Campanian–early Maastrichtian), Coahuila, Mexico [2010/7]
- Journal
- American Journal of Botany
- Volume
- 97
- Issue
- 7
- Page number
- 1184
- Year
- 2010
- Fossil Status
- stems (wood)
- Stratigraphy
- Campanian
- Strat. comment
- Olmos Formation
- Location
- Atascoso Ranch, 7 km N of Melchor Múzquiz
town, Múzquiz Municipality, Coahuila, Mexico
- Paleoregion
- America (North)
Data for Holotypus
- Repository
- Universidad Nacional Autónoma de México, Instituto de Geología, México, México
- Repository Number
- IGM-PB 1295 (wood sample, ca. 9.0 cm in diameter), IGMLPB
4679 – 4693 (slides with thin sections).
- Diagnosis
- Indistinct growth rings, diffuse porous;
vessels solitary and in radial multiples of 2, simple perforation
plate; alternate polygonal, medium to large, intervessel pits with
elliptical apertures, vessel-ray parenchyma pits, with reduced borders,
circular to oval and occasionally horizontally elongated; axial
parenchyma is vasicentric and scanty paratracheal and apotracheal
diffuse; uniseriate and multiseriate 2 – 5 cells wide heterocellular
rays type IIA; nonseptate and septate libriform fi bers.
