Geoscience Reference
In-Depth Information
Eudesmane
MATH, MAPH,
DAPH1, DAPH2
Pennsyl
vanian
Phyllocladane
Cadalene
Mississippian
Retene
ent
-Kaurane
ent
-Beyerane
Odd
n
-alkanes
Megafossils
Trilete spores
Trilete spores
Cryptospores
Cryptospores
Fig. 1. Currently documented earliest occurrences of fossil plant remains (in italics) and of characteristic terrestrial
biomarkers (roman). Earliest occurrences of cryptospores and trilete spores indicated in grey fromStrother (2000) and in
black from Strother et al. (1996) and Steemans et al. (1996). Occurrence of plant megafossils from Wellman & Gray
(2000) and Edwards (2001). See text for further references and explanations. Figure created with TS Creator (www.
stratigraphy.org).
