Caryanthus microtriasseris Erw.Knobloch et Mai

Plant Fossil Names Registry Number: PFN000615

Act LSID: urn:lsid:plantfossilnames.org:act:615

Rank: species

Genus:

Reference: Knobloch, E. & Mai, D. H. (1983): Carbonized seeds and fruits from the Cretaceous of Bohemia and Moravia and their stratigraphical significance. in Brzobohatý, R.: Miscellanea micropalaeontologica: A memorial volume dedicated to the 18th European colloquy on micropalaeontology. Moravské naftové doly, Hodonín: 305–332.

Page of description: 308

Illustrations or figures: pl. VIII, fig. 9

Other combinations

Zlivifructus microtriasseris (Erw.Knobloch et Mai) Heřmanová, J.Kvaček, Halamski, Zahájská et Šilar 2019

Types

Holotype F 3872, National Museum, Prague, the Czech Republic
Figures: pl. VIII, fig. 9

Note: Refigured by Heřmanová et al. (2019: Rev. Palaeobot. Palynol., 268: pl. I, fig. 1, pl. III, fig. 2).

Inventory number and repository according to Heřmanová et al. (2019: Rev. Palaeobot. Palynol., 268: 90).

Knobloch and Mai (1983: 321) used no. SEM EK 5186 for the holotype.

Original diagnosis/description

Fruits oval to rounded in profile, more or less flattened, apex without protrusion, base rounded. Hypanthium covering about four fifths of the fruit. Vascular bundles not prominent , straight. Fruits very s mall. Diameter: 0,4–0,5 mm.

Emended diagnosis

Heřmanová et al. (2019: Rev. Palaeobot. Palynol., 268: 91):
Flowers/fruits round; very small; apex concave; base slightly convex or slightly concave; perianth persistent, fused basally forming hypanthium; lateral andmedial attachment scars of tepals forming ringmidway between base and apex; lateral faces of fruit show two ribs or ridges.

Stratigraphy

Cretaceous, Upper Cretaceous
Klikov Formation, (Late Turonian–Santonian) (stratigraphy according to Heřmanová et al. 2019: Rev. Palaeobot. Palynol., 268: 91)

Locality

Czech Republic
Záblatí, borehole 65/21, depth 34.0–35.0 m, grey clay

Plant fossil remain

macro- and meso-fossils-embryophytes except wood

Comments

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