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Eathiestrobus mackenziei
Eathiestrobus mackenziei G.W. Rothwell, G.K. Mapes, Stockey, J. Hilton Amer. J. Bot., 98(4): 709. 1 Apr 2012
- Name
- Eathiestrobus mackenziei
- Rank
- Species
- Generic Name
- [Genus] Eathiestrobus
- Authors (Pub.)
- Rothwell G. W.
Mapes G.
Stockey R. A.
Hilton J.
- Publication
- The seed cone Eathiestrobus gen. nov.: fossil evidence for a Jurassic origin of Pinaceae [2012/4]
- Journal
- American Journal of Botany
- Volume
- 98
- Issue
- 4
- Page number
- 709
- Year
- 2012
- Fossil Status
- cones (ovuliferous)
- Stratigraphy
- Kimmeridgian
- Location
- Coastal exposures at Eathie, Black Isle, NE Scotland, U.K.
- Paleoregion
- Eurasia (Europe)
Data for Holotypus
- Repository
- Hunterian Museum, Glasgow, U.K.
- Repository Number
- Permineralized slabs, peels, and slides of specimen No. Pb 483
- Diagnosis
- Cone > 8 cm long and 3.3 cm wide, with axis ca. 1 cm wide. Pith parenchymatous. Bracts and scales diverging at angle of 40 – 50 ° , each ca. 2.8 cm long, becoming wider and thinner distally. Ovuliferous scales up to 10 mm wide; bracts up to 8 mm wide; both terminating in rounded, papery thin apices. Bracts with one terete vascular bundle and both abaxial and adaxial sclerenchyma; ovuliferous scales with two terete vascular bundles and abaxial sclerenchyma. Small resin canals in cortex of cone axis continue distally as single row at center of bract and single row at center of ovuliferous scale. Seed body ca. 4.6 mm long, 2.8 mm wide, excluding basal and lateral wing.