TABLE 1. Comparative table of the genera described over time in the Matzitzi Formation.
| Silva (1970) | Weber et al. (1987) and Weber (1997) | Galvan (2000) | Valdes Vergara (2017) | Flores-Barragan and Velasco-de León (2021) | |||
| Order or family | Genus | location unknown | location unknown | location unknown | Carretera | Carretera | Coatepec |
| Bennettitales | Pterophyllum Brongniart | * | |||||
| Cycadales | cf. Bjuvia Florin | * | |||||
| Cordaithantales | cf. Cordaites Unger | * | |||||
| Dycranophyllales | Dycranophyllum GrandʼEury | * | * | ||||
| Equisetales | Annularia Sternberg | * | |||||
| Equisetales | Asterophyllites (Schlotheim) Brongniart | * | |||||
| Equisetales | Calamites Suckow | * | * | * | * | * | |
| Equisetales | Schizoneura Schimper et Mougeot | * | |||||
| Equisetales | Sphenophyllum Brongniart | * | |||||
| Gigantopteridales | Cf. Gigantonoclea Koidzumi | * | |||||
| Gigantopteridales | Lonesomia Weber | * | |||||
| Ginkgoales | Baiera Braun | * | |||||
| Ginkgoales | Ginkgoites Seward | * | |||||
| Glossopteridales | Gangamopteris McCoy | * | |||||
| Glossopteridales | Glossopteris Brongniart | * | |||||
| Glossopteridales | Plumstedia Rigby | * | |||||
| Incertae sedis | Cordaicarpus Geinitz | * | |||||
| Incertae sedis | Cladophebis Brongniart | * | |||||
| Incertae sedis | Holcospermun Nathorst | * | * | * | * | ||
| Incertae sedis | Lesleya Lesquereux | * | |||||
| Incertae sedis | Nilssonia Brongniart | * | |||||
| Incertae sedis | Taeniopteris Brongniart | * | * | * | * | ||
| Incertae sedis | Trigonocarpus Brongniart | * | * | ||||
| Incertae sedis | Velascoa Flores Barragan et Ortega Chavez | * | |||||
| Lepidodendrales | Asolanus Wood | * | |||||
| Lepidodendrales | Bothodendron Lindley et Hutton | * | |||||
| Lepidodendrales | Cyperites Lindley et Hutton | * | * | * | * | ||
| Lepidodendrales | Knorria Sternberg | * | * | ||||
| Lepidodendrales | Lepidodendron Sternberg | * | * | ||||
| Lepidodendrales | Sigillaria Brongniart | * | * | * | * | * | |
| Lepidodendrales | Stigmaria Brongniart | * | * | * | |||
| Lepidodendrales | Stigmariopsis Grand Eury | * | |||||
| Lepidodendrales | Syringodendron Sternberg | * | * | * | |||
| Marattiales | Astherotheca Presl et Corda | * | * | * | * | * | |
| Marattiales | Diplazites Goeppert | * | * | ||||
| Marattiales | Lobatopteris Wagner | * | |||||
| Osmundales | Dychotomopteris Maithy | * | |||||
| Peltaspermales | Comia Zalessky | * | * | ||||
| Peltaspermales | Neuropteris Brongniart (Sternberg) | * | * | * | * | ||
| Peltaspermales | Odontopteris Brongniart (Sternberg) | * | * | * | |||
| Peltaspermales | Sphenopteris (Brongniart) Sternberg | * | * | ||||
| Peltaspermales | Ovopteris Potonie | * | * | ||||
| Voltziales | Majonicaceae Clement-Westerhof | * | |||||
TABLE 2. Comparative table of the morphological characters of the three reported species of the genus Bjuvia, as well as the affinity proposed here.
| cf. Bjuvia sp | B. thalensis | B. simplex | B. dolomitica | |
| Lamina length (cm), with an asterisk indicating an approximation for incomplete leaves |
21.5* | 20* | / | 100 |
| Lamina width (cm) | 18.6 | 15 | 20 | 30 |
| Rachis width (cm) | 0.6 | 0.5 | 1 | 0.5 |
| Number of veins per cm | 40 | 30 | 14 | 18 |
| Rachis type | Fluted | Fluted | Fluted | / |
| Apex type | / | Round | / | Round |
| Presence of dichotomies in the veins | No | No | yes | No |
| Stoma type | / | Haplochelic | Haplochelic | Haplochelic |
| Number of companion cells | 6-7 | 6-4 | 7 | 6-4 |
| Stomatal complex size or stomatal opening* | 10-15 µ* | 50-60 µ | 10 µ * | / |
| Presence of trichomes | Yes | No | Yes | No |
| Shape of epidermal cells | Irregular -Rectangular | Isodiametric | Irregular- Quadrate | Rectangular |
| Wall shape in epidermal cells | Right - Undulated | Right | Right | Undulated |
| Age | Permian | Triassic | Triassic | Triassic |
| Country | Mexico | Germany | Sweden | Italy |
TABLE 3. Comparative table of morphological characters of some species that have segmented leaves, reported for the Permian, as well as the new report from Mexico. With an asterisk the data of incomplete leaves.
| Nilssonia sp. | Pseudoctenis sp. | Pseudoctenis middridgensis Stoneley | Pseudoctenis samchokense Kawasaki |
Pterophyllum sp. | Pterophyllum cotteanaum Gutbier | Pterophyllum pottii Bomfleur et Kerp |
Pteronilssonia gopalii Pant et Mehra |
|
| Lamina length (cm) | 6.3* | 7.5* | 17* | 24* | / | / | 5* | 15* |
| Lamina width (cm) | 4.7* | 7.0* | 5.7 | 22* | / | / | 6* | 11* |
| Rachis width (cm) | 0.3 | 0.3 | 0.2-0.3 | / | 0.25-0.4 | 0.7 | 0.5-0.6 | 0.2 |
| Union of the leaf with respect to the rachis | Attached to the upper edge of rachis | Laterally attached to the rachis | Laterally attached to the rachis | Laterally attached to the rachis | Laterally attached to the rachis | Laterally attached to the rachis | Laterally attached to the rachis | Laterally attached to the rachis |
| Base of segments | Decurrent | Decurrent in the basiscopic part | Decurrent in the basiscopic part | Slightly constricted in the base | Not decurrent | Decurrent | / | Not decurrent |
| Length of the segments (cm) | 3.5* | 4.2 | 3.7 | 9.2 | 8.5 | 1-3.5 | / | 6* |
| Width of the segments (cm) | 1-1.2 | 0.7 | 0.35 | 0.5-1.1 | 0.35 | 0.5-0.7 | 1.5-2 | 1 |
| Segment position | Oppositely | Oppositely to sub-oppositely | Sub-opposite | Oppositely to sub-oppositely | Sub-opposite to alternate | Oppositely | / | Sub-opposite |
| Type of apex in the segments | / | Rounded | Obtuse | Rounded | Rounded | Rounded-Obtuse | / | / |
| Distance between segments (cm) | 0.2-0.3 | 0.2-0.7 | 0.5 | 0.2 | 0.2-0.6 | 0.2-0.3 | / | 0.3-0.5 |
| Number of veins per cm | 12-17 | 13-20 | 13-20 | / | / | 20 | 42-48 | 10 |
| Venation arrangement | With dichotomies at the base | 3 | With dichotomies at the base | With dichotomies at different heights | Parallel | Parallel | Parallel | With dichotomies at different heights |
| Age | upper Permian | upper Permian | upper Permian | Permian | upper Permian | lower Permian | lower Permian | Permian |
| Country | Mexico | Australia | England | China | Australia | Germany | Jordan | India |
TABLE 4. Table of morphological characters of the 42 species of the genus Taeniopteris and of the two specimens from Puebla. These species correspond to the Paleozoic-Mesozoic transition reported for the province of Euramerica and Gondwana. Abbreviations: L.L. lamina length (cm). W.L. lamina width (cm). T.A. apex type. T.B. base type. W.R. rachis width (mm). D.V. vein density per cm. A.I.V. insertion angle of veins. A.V. arrangement of veins, 1) Dichotomies at the base of the veins, 2) Dichotomies at the mid-part of the veins, 3) Dichotomies at the base and mid-part of the veins, 4) veins without dichotomies, 5) Dichotomies at the base and then irregularly in the veins, 6) Dichotomy in the terminal part of the veins, and 7) irregular dichotomies in the veins.
| Species | L.L. | W.L. | T.A. | T.B. | W.R. | D.V. | A.I.V. | A.V. |
| Specimen CFZMTZ-330 | 4.1 | 2.5 | / | / | 0.2 | 23-24 | 90° | 4 |
| Specimen CFZMTZ-713 | 6.8 | 5.3 | / | / | 0.3 | 14-16 | 90° | 1 |
| Taeniopteris sp1 Galtier et Broutin | 15 | 6 | / | / | 0.4-0.6 | 12-15 | 70°-80° | 1 |
| Taeniopteris sp2 Galtier et Broutin | 17 | 7 | acute | / | / | 14-17 | 70°-80° | / |
| Taeniopteris sp A Kustatscher, Bauer, Butzmann, Fischer, Meller, Van Konijnenburg-van Cittert et Kerpi |
12 | 2.1 | / | / | 0.3-0.5 | 15-18 | 80-90° | 4 |
| Taeniopteris sp B Kustatscher, Bauer, Butzmann, Fischer, Meller, Van Konijnenburg-van Cittert et Kerpi |
6 | 9-7 | 0.6 | 12-18 | 70° | 1 | ||
| T. abnorvis G utbier | 15 | 9.5 | / | / | / | 28-32 | 45° | 7 |
| T. anavolans Anderson et Anderson | 17 | 3.5 | / | cuneiform | 0.7 | 14-16 | 80°-09° | 7 |
| T. anglica White | 50 | 4.5 | / | / | 0.4-0.1 | 28 | 60°-70° | / |
| T. angustifolia Stockm et Math | 13 | 2 | / | / | 0.1 | 28 | 70°-80° | 3 |
| T. ardesica Grand eury | 4.2 | 1.7 | / | / | 0.05 | 20-22 | 80° | 1 |
| T. bertrandiana Teixeira | 6.5 | 3 | / | / | / | 12 | 75° | 1 |
| T. bosniackii Stefani | 6 | 2.4 | / | / | 0.25 | 20 | 85-90° | 1 |
| T. carnoti Zeiller | / | 2.5-3 | / | / | 0.1-0.2 | 25-30 | 70-80° | 3 |
| T. crassinervis (Feistmantel) Walkom | 7 | 4.5-5.5 | / | / | 0.2 | 12-14 | 90° | 1 |
| T. criciumensis Dolianiti | 10 | 1.8 | / | / | 0.2-0.5 | 32-40 | 45° | 7 |
| T. densinervis Menéndez | / | 1.8 | / | / | 0.1 | 28-32 | 85-90° | 4 |
| T. doubingeri Remy | 11 | 3.4 | / | / | 0.1-0.6 | 23-34 | 70°-75° | 1 |
| T. eckardti German | 20 | 2.3 | / | / | 0.2-0.4 | 08-09 | 60° | 4 |
| T. feddeni Feistmantel | 25 | 12.5 | / | / | 0.2 | 20 | 90° | 7 |
| T. gemmina Plumstead | 4.5 | 1.3 | / | / | 0.07 | 15-20 | 60°-70° | 7 |
| T. homerifolius Anderson et Anderson | / | 6.5 | / | / | 0.4 | 10-12 | 75° | 7 |
| T. jejunata grand eury | 8-15 | 1.4-2 | / | / | 0.1 | 12-20 | 70° | / |
| T. kelberi Kustatscher et Van Konijnenburg-Van Cittert | 21 | 2.0-2.8 | / | / | 0.55 | 20-25 | 80° | 4 |
| T. lata Oldham et Morris | 36 | 11 | / | / | 0.5 | 10 | / | 5 |
| T. lentriculiformis (Feistmantel) Walkom | 9 | 2.5-3 | 0.1 | 22 | 80°-90° | 4 | ||
| T. lescuriana Fontaine et white | 7 | 8 | / | / | 0.2 | / | 85° | 3 |
| T. lutzae Gnaedinger et Herbst | 20 | 5 | retuse | round | / | 14-20 | 80°-90 | 4 |
| T. magnifolia Rogers | 10 | 7-22 | / | / | 0.4-1 | 16-20 | 85-90° | 4 |
| T. multinervia Weiss | 7.5-20 | 12-2 | / | / | 0.6-0.5 | 36 | 80°-90° | 1 |
| T. novomundensis Pott et Launis | 15 | 2.1 | acute | contracted | 0.2-0.4 | / | 75-80° | 1 |
| T. parva Jongmans | 3 | 0.8 | / | / | / | 50 | 80°-85° | 3 |
| T. plauensis Sterzel | 9 | 1-3.2 | / | / | 0.1-.07 | 13-24 | 70°-80° | 2 |
| T. plicatella (Solms-Laubach) Menéndez | 6 | 1.5 | / | / | 0.5 | 9 | 40° | 7 |
| T. schlotheimi Remy | 5 | 0.7 | / | / | .05-.03 | 12-14 | 78-82° | 7 |
| T. smithii Lesquereux | 15 | 5 | / | / | 0.1 | 40 | / | / |
| T. submultinervia Sterzel | 0.32 | / | / | 0.1 | 10 | 75° | 3 | |
| T. taiyuanensis Halle | 13 | 12 | / | / | .8-.5 | 35-50 | 65°-80° | 1 |
| T. tenuis Doubinger et Vetter | 6.5-7 | 1.5 | / | / | .07-.05 | 28-36 | 80°-90° | 3 |
| T. thomsoniana (Arber) Blaschke et Grant-Mackie | / | 2 | / | / | 0.2 | 28-36 | 85°-90° | 7 |
| T. troncosoi Gnaedinger et Herbst | 20 | 5-1 | retuse | cuneiform | / | 22-24 | 40°-50° | 7 |
| T. vittata Brongniart | / | 2.8-4 | acute | / | / | 24-30 | 50°-60° | 1 |
| T. wianamattae (Feistmantel) Walkom | / | 3.5-6 | / | / | 0.2-0.6 | 24-28 | 75° | 1 |
| T. zeilleri Bertrand | 30 | 40 | / | / | .3-.2 | 28 | 70°-90° | 4 and 7 |
