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Cissites basicordatus
Cissites basicordatus P.I. Alexeev Paleobot., 3: 19. 2012
- Name
- Cissites basicordatus
- Rank
- Species
- Generic Name
- [Genus] Cissites
- Authors (Pub.)
- Alexeev P. I.
- Publication
- Novye vidy tsvetkovykh rastenij iz pozdnemelovoj antibesskoj flory [2012]
- Journal
- Paleobotanika
- Volume
- 3
- Page number
- 19
- Year
- 2012
- Fossil Status
- leaves
- Stratigraphy
- Coniacian
- Strat. comment
- Santonian: Sym Formation
- Location
- Antibes locality, Kemerovo region, Russian Federation
- Paleoregion
- Eurasia (W Siberia)
Data for Holotypus
- Repository
- Komarov Botanical Institute, Russian Academy of Sciences, St.-Petersburg, Russian Federation
- Repository Number
- 1546/1127
- Diagnosis
- Leaves simple, 3—5-lobed, widely ovate to rounded in outline, 1,5—14 cm long, 1,5—14 cm
wide. Lobes radially diverging, decreasing downwards, with additional secondary lobes or lobe-like teeth.
Apices of lobes rounded, leaf base cordate. Margin dentate or crenate; teeth large with rounded apices and
sinuses. Venation palmate, with 3—5 straight primary veins, craspedodromous. Upper pair of lateral primary veins diverging from central vein at an angle about 45°; lower pair — at an angle about 90°. Primary
veins have few acro- and basiscopic branches in the distal part, diverging at an angle about 30—50°. Tertiary
venation percurrent or reticulate.
