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Paranospermum cambuiense
Paranospermum cambuiense Ricardi-Branco, F. Torres, O. Rösler Terrae, 2013, 10(1–2): 10. 2015
- Name
- Paranospermum cambuiense
- Rank
- Species
- Generic Name
- [Genus] Paranospermum
- Authors (Pub.)
- Ricardi-Branco F.
Torre F.
Rösler O.
- Publication
- Early Permian conifers Paranocladus and Buriadia of Southern Brazil [2015]
- Journal
- Terrae
- Annee/Jahrgang
- 2013
- Volume
- 10
- Issue
- 1–2
- Page number
- 10
- Year
- 2015
- Fossil Status
- seeds
- Stratigraphy
- Cisuralian
- Strat. comment
- Rio Bonito Formation
- Location
- Amando Simões Mine, Figueira region, State of Paraná, Brazil
- Paleoregion
- Gondwana (South America)
Data for Holotypus
- Repository
- Instituto de Geociências, Universidade de São Paulo, São Paulo, Brazil
- Repository Number
- GP/3T 2191 a, GP/3T 2146 aA, Lam. GP/L - 3T 443
- Diagnosis
- Morphological features. Platispermic seed, cuneiform, symmetrical, 7-12 mm long and 7-12 mm wide in the medial portion. Apex cuneiform, ending in one or two triangular appendices, straight or curved, of 1-2 mm x 1-2 mm. Base acute to rounded. Seeds present a continuous groove from base to apex in the medial region. Nucellus ovulate, 3.5 – 7 mm x 3.5-6 mm.. Wing enveloping central body narrower at the base, with margin entire. Anatomical features. Wing cells elongated and polyhedric with 4-6 sides, 70 mm x 30 mm, longer and narrower at margin. Anticlinal walls wavy and somewhat thickened. Each cell with a single pore in the external periclinal wall. Unicellular and pluricellular hairs present. Stomata monocyclic, arranged in scattered groups.
