APPENDIX 1.
Primary information of the 20 morphotypes recognized in this work (Morpho 1 to Morpho 20) and the information collected from eight morphotypes studied by Sainz-Reséndis (2008) (S.R. Morpho 1 to S.R. Morpho 8). For the morphotypes studied in this work, the 25 different observations are shown for each of the 34 wood anatomy characters strongly related to climatic variables (Martínez-Cabrera and Cevallos-Ferriz, 2008). All appendices are available for download as PDFs at https://palaeo-electronica.org/content/pdfs/1136_appendices.zip.
APPENDIX 2.
Average anatomical information of the paleoflora of the Fm. Tehuacán (blue column) from the mean and proportion values of each character for each of the morphotypes (gray). All appendices are available for download as PDFs at https://palaeo-electronica.org/content/pdfs/1136_appendices.zip.
APPENDIX 3.
Data matrix that includes the data generated by Martínez-Cabrera et al., (2008; *), the unpublished data generated by Castañeda-Posadas, (2008; **) and the data obtained in this work for the paleoflora of the Tehuacán Fm. The characters strongly related to some climatic variable (Martínez-Cabrera et al., 2008) are: (1) Growth rings, (2) Vessel grouping, (3) Vessel frequency, (4) Vessel diameter, (5) Vessel wall thicknes, (6) Helical sculpture, (7) Intervascular pit aperture diameter, (8) Alternate intervessel pits, (9) Opposite intervessel pits, (10) Scalariform intervessel pits, (11) Simple perforation plates, (12) Scalariform perforation plates, (13) Fibre wall thickness, (14) Fibre lumen diameter, (15) Tracheids, (16) Fibrotracheids, (17) Libriform fibres, (18) Parenchyma diffuse in aggregates, (19) Vasicentric parenchyma, (20) Aliform parenchyma, (21) Apotracheal parenchyma bands, (22) Concentric parenchyma bands, (23) Marginal parenchyma, (24) Height of uniseriate ray μm, (25) Height of uniseriate ray (Nº cells), (26) Percentage of uniseriate rays, (27) Exclusively uniseriate rays, (28) Width of multiseriate ray (μm), (29) Width of multiseriate ray (Nº cells), (30) Length of uniseriate extensions (μm), (31) Length of uniseriate extensions (Nº cells), (32) Storied structure, (33) Heterocellular rays, (34) Homocellular rays. All appendices are available for download as PDFs at https://palaeo-electronica.org/content/pdfs/1136_appendices.zip.
