TABLE 1. Species described by different authors for the region of Tezoatlan, Oaxaca.
| Wieland (1914) |
Silva-Pineda (1970) |
Pearson and Delevoryas (1982) |
Silva-Pineda and Gallardo (1988) |
| Equisetales | |||
| Equisetites gumbeli | Equisetites cf. ferganensis | Equisetum rajmahalensis | |
| Sagenopteris rhoifolia | |||
| Filicales | |||
| Alethopteris mexicana | Conipteris arguta | Cladophlebis browniana | |
| Cladophlebis albertsii | Cladophlebis browniana | Coniopteris arguta | |
| Coniopteris cf. hymenophylloides | cf. C. hymenophylloides | ||
| Laccopteris sp. | Piazopteris branneri | ||
| Sphenopteris cf. williamsoni | Sphenopteris geoppertii | ||
| Coniferales | |||
| Araucarioxylon mexicanum | Araucarioxylon mexicana | Brachyphyllum sp | |
| Cycadeospermun oaxacense | |||
| Trigonocarpus oaxacensis | |||
| Rhabdocarpus grandis | |||
| Cordaitales | |||
| Noeggerathiopsis hislopi | Noeggerathiopsis hislopii | ||
| Phoenicopsis sp | |||
| Yuccites schimperianus | |||
| Y. oaxacensis | |||
| Bennettitales | |||
| Otozamites aguilerai | Anomozamites lindleyanus | Anomozamites sp. | Otozamites hespera |
| O. aguilarianus | Cycadolepis mexicana | Cycadolepis mexicana | Ptillophyllum sp |
| O. diazii | Otozamites aguilerai | Otozamites hespera | |
| O. hespera | O. graphycus | Pterophyllum spinosum | |
| O. juarezii | O. cf. hennoquei | Pterophyllum sp | |
| O. mandelslohi | O. hespera | Ptillophyllum cf. acutifolium | |
| O. molinianus | O. obtusus | Ptillophyllum sp. | |
| var. oaxacenses | O.paratypus | Zamites diquiyui | |
| O. oaxacensis | O. reglei | Z. lucerensis | |
| O. obtusus | Pterophyllum rajmahalense | Z. oaxacensis | |
| var. oaxacensis | Ptillophyllum acutifolium | Z. tribulosus | |
| var. liassica | P. cutchense | ||
| O. paratypus | Podozamites cf. lanceolatus | ||
| O. cf.reglei | Williamsonia cuauhtemoci | ||
| var. lucerensis | Yuccites oaxacensis | ||
| Pterophyllum angustifolium | Zamites cf.feneonis | ||
| P. cf.contigum | |||
| P. munsteri | |||
| Ptilophyllum acutifolium | |||
| cf. var. maxima | |||
| cf. var. minor | |||
| P. pulcherrimum | |||
| Zamites cf.confusus | |||
| Z. rolkeri | |||
| Stangerites oaxacesis | |||
| Cycadolepsis mexicana | |||
| Williamsonia centeotl | Williamsonia huitizilipochtlii | ||
| W. cuauhtemoc | W. diquiyui | ||
| W. huitzilopochtlii | W. netzahualcoyotlii | ||
| W. ipalnemoani | W. oaxacensis | ||
| W. mexicana | |||
| W. nathorstii | |||
| W. netzahualcoyotlii | |||
| W. quetzalcoatl | |||
| W. tlazolteotl | |||
| W. xicotencatl | |||
| W, xipe | |||
| W. sp | |||
| Cicadales | |||
| Nilssonia morrisiana | cf. Pseudoctenis sp | ||
| Pseudoctenis lanei | |||
| Inserta sedis | |||
| Glossopteris linearis | Glossopteris linearis | Mexiglossa varia | |
| G. mexicana | Trigonocarpus oaxacensis | Taeniopteris oaxacensis | |
| Taeniopteris tonkinensis | |||
TABLE 2. Species described by different authors for the Cualac Formation.
| Orden | Silva-Pineda (1970) Cualac, Oaxaca (Loc. Río Yucuquimi) |
Silva-Pineda and Gallardo (1988) Cualac, Guerrero |
Velasco de León et al. (2023) Cualac, Oaxaca (Loc. Rosario) |
|
| Filicales | Percentage of representativeness | |||
| 1 | ||||
| Coniferales | ||||
| Brachyphyllum sp | ||||
| Czekanowskiales | ||||
| Czekanowskia sp | 0.6 | |||
| Bennettitales | ||||
| Anomozamites sp | 1 | |||
| Otozamites aguilerai | Otozamites hespera | Otozamites hespera | 4 | |
| O. graphicus | Pterophyllum sp | 1 | ||
| Ptillophyllum sp | Ptillophyllum acutifolium | 2.2 | ||
| Zamites cf.feneonis | Zamites diquiyui | 6.7 | ||
| Z. lucerensis | 2.5 | |||
| Z. oaxacensis | 38.8 | |||
| Z. tribulosus | 1.6 | |||
| Z. sp | 1 | |||
| Cycadolepis mexicana | 0.2 | |||
| Williamsonia netzahualcoyotlii | 0.4 | |||
| W. cuauhtemoc | 0.4 | |||
| W. oaxacensis | 0.2 | |||
| W. sp | 0.4 | |||
| Williamsoniella sp | 1 | |||
| Incertae sedis | ||||
| Mexiglossa varia | 37 | |||
