...SHARON D. KLAVINS; THOMAS N. TAYLOR; EDITH L. TAYLOR Abstract The Matoniaceae is one of the most ancient lineages of extant ferns, with a fossil record that extends from the early Mesozoic. Currently they are considered to be a systematically isolated group that occupies a basal position...

... or sometimes terrestrial ferns Mixed forest swamp & lacustrine warm Matonisporites crassiangulatus Spore Filicopsida (Dicksoniaceae/Matoniaceae) climbing ferns (lianas) Lowland fern swamps, extant forms on mt slopes warm temperate & wet Murospora florida Spore Pteridophyte tree-fern...

... ; Saxena and Trivedi, 2009 ; Mathews et al., 2013 ; Monga et al. 2015 ) Botanical Affinity Palynotaxa (Genera) Present day distribution & Habitat DIVISION/PTERIDOPHYTA Matoniaceae Dandotiasporites sp. Tropical to subtropical, sub aquatic to swampy Cyatheaceae Cyathidites sp...

...FIGURE 6 Matoniaceae (A, possibly B), Cyatheaceae (C), and ferns incertae sedis (D–G) from the Triassic of Antarctica. A) A sorus of Tomaniopteris katonii showing sporangia attached in rows to a receptacle (above). 11,248 B #4; scale  =  250 µm. B) Transverse section through siphonostelic stem...

... Sichuan Basin, China Botanical affinity Sporomorph genera SEG Ecological remarks Horsetails Calamospora Lowland Wetter, warmer Ferns (Dipteridaceae/Matoniaceae) Dictyophyllidites , Concavisporites Ferns (Dipteridaceae) Kyrtomisporis , Apiculatisporis , Granulatisporites...

... and distribution of the studied pollen families/Genera Families/Genara PalynoTaxa Present day distribution(Family wise) Matoniaceae Dandotiaspora telonata Tropical to sub-tropical, sub aquatic to swampy Dictyophyllum Dictyophyllidites laevigatus Cosmopolitan Schizaeaceae/Lygodium...

... was studied. Five of the most common and often quantitatively abundant miospore genera, in descending order, are Cyclogranisporites (Marattiales) , Classopollis , Araucariacites , Cycadopites (monosulcate pollen), and Concavisporites (Matoniaceae) with 14.53, 14.24, 12.39, 10.16, and 7.49...

... Cyatheaceae Cyathidites australis, C. minor Tropical to subtropical Hymenophyllaceae Biretisporites potoniaei Tropical to temperate Matoniaceae Dictyophyllidites cymbatus, D. granulatus, Dandotiaspora telonata,D. plicata Tropical to subtropical Osmundaceae Baculatisporites wellmanii,B...

... Botanical affinity Quantity Percentage (%) Asseretospora Unknown 8 0.4 Biretisporites Hymenophyllaceae? (4) 2 0.1 Cardioangulina Lygodiaceae? (9) 2 0.1 Ceratosporites Unknown 2 0.1 Cyathidites Dicksoniaceae/Cyatheaceae/Dipteridaceae/Matoniaceae (1, 2, 11) 30 1.4...

... A are considerably more abundant within claystone samples ( Fig. 7B ). Cluster B ( Fig. 7A ) is occupied by C. mesozoica (Sphenophyta [Harris 1978 ; Boulter and Windle 1993 ; Balme 1995 ]), Dictyophyllidites harrisii (Dipteridaceae/Matoniaceae [Couper 1958...

... with the modern families. On the basis of this comparison it has been surmised that some of them represent the spores and pollen grains of the families Matoniaceae, Lygodiaceae, Polypodiaceae, Podocarpaceae, Poaceae, Arecaceae, Alangiaceae, and Caesalpiniaceae. The occurrences of the above mentioned families...

... Konijnenburg-van Cittert (1993) ; Guignard et al . (2009) Contignisporites problematicus — — — — Deltoidospora toralis Cyathaceae; Dicksoniaceae; Dipteridaceae; Matoniaceae Filicales Filicopsida van Konijnenburg-van Cittert (1993) ; Balme (1995) ; Guignard et al . (2009...

... - Osmundacidites, Baculatisporites, Todisporites, Conbaculotisporites. Matoniaceae - Dictyophyllidites, Matonisporites, Eoseisporites. Schizaeaceae - Klukisporites, Ischyosporites, Impardecispora, Cicatricosisporites. Cyatheaceae or Dicksoniaceae - Cyathidites, Deltoidospora, Bire tisporites . Polypodiaceae...

... opinion, they probably grew along the river banks. In the Liassic of Hungary, Romania, and Iran they often formed peat, which later resulted in coal formation ( Van Konijnenburg-van Cittert, 2002 ). The Matoniaceae ( Phlebopteris sp.) and Dipteridaceae ( Clathropteris meniscoides Brongniart, 1828...

...               Matoniaceae Concavisporites laticrassus ( Plate 2 , Figure 4 )       x               Cyatheaceae/ Dicksoniaceae Dipteridaceae/ Matoniaceae Deltoidospora australis x     x               Deltoidospora minor ( Plate 2 , Figure 1 )       x...

... , Dipteridaceae , Matoniaceae , Clathropteris , and pollen of Ovalipollis in the PC under consideration excludes the possibility that they belong to the Late Triassic. An insignificant amount of striate pollen of conifers – Striatopinites and others (2.0–4.8 % ), and the absence of spores...

... are represented by such families as the Dicksoniaceae, Gleicheniaceae, Matoniaceae, Osmundaceae, and Schizaceaceae. Three of the most common species are Cyathidites australis , Dictyophyllidites mortonii (with diverse fern affinities), and Klukisporites variegatus . At present, ferns are most widely developed...

... and ferns related to Cyatheaceae-Dipteridaceae-Matoniaceae-Dicksoniaceae, Osmundaceae, and Schizaeaceae ( Fig. 5 ). The increase in spore abundance occurs simultaneously with a brief rise in the abundance of pollen assigned to the Araucariaceae-Cupressaceae and the cycads ( Fig. 5 ). In the Blue Mesa...