Tatabánya
Basic information
Sample name: Tatabánya

Reference: B. Erdei and V. Wilde. 2020. The Eocene flora of Tatabánya "marl-mine" (N Hungary). Palaeobiodiversity and Palaeoenvironments 100:629-645 [ER 4416]
Geography
Country: Hungary

Coordinate: 47.59° N, 18.39° E
Latlng basis: based on nearby landmark

Scale: outcrop

Time interval: Middle Eocene

Zone: Lutetian

Max Ma: 43.0

Min Ma: 40.0

Age basis: zone

Geography comments: coordinate based on Tatabánya
"middle Eocene (Lutetian)" and "dated as NP16 nannoplankton zone (upper Lutetian)": NP16 spans roughly 43 to 40 Ma and crosses into the Bartonian according to Shepherd et al. (2021 Marine Micropaleontology)

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Environment
Lithology: claystone

Habitat comments: "Fossils are preserved in yellowish, often reddish carbonaceous sandy clay" and the exposure represents "a calm nearshore depositional environment"

Methods
Life forms: leaves

Sample size: 58 specimens

Sampled by: I. Skoflek

Museum: Kuny Domokos Museum

Net or trap nights: 0

Basal area status: not applicable

Sampling comments: collected "in the 1980s"

Metadata
Sample no: 4700

Contributor no: John Alroy

Enterer: John Alroy

Created: 2025-11-22 10:05:24

Modified: 2025-11-22 10:05:24

Abundance distribution
Each square represents a species. Square sizes are proportional to counts. Values are logged.
Statistics
23 species
13 singletons
total count 58
geometric series index: 78.4
Fisher's α: 14.089
geometric series k: 0.89
Hurlbert's PIE: 0.9014
Shannon's H: 2.7173
Good's u: 0.7783
Register
Pteridophyta indet.1
Cupressaceae indet.1
?
Laurophyllum ? kinkelinii 3
Laurophyllum sp. 7
Ocotea cf. hradekensis 1
Daphnogene sp. 1
Eotrigonobalanus ? furcinervis 1
Engelhardia ? orsbergensis 2
Ziziphus ziziphoides 13
Byttneriopsis daphnogenes 2
Byttneriopsis sp. 1
cf.
Mahonia sp. 1
?
Leguminosites sp. 1
Rhodomyrtophyllum sp. 2
?
Theaceae indet.2
?
Dioscoreaceae indet.1
?
Arecaceae indet.5
Dicotylophyllum sp. 1 3
Dicotylophyllum sp. 2 1
Dicotylophyllum sp. 3 1
Dicotylophyllum sp. 4 6
Dicotylophyllum sp. 5 1
Dicotylophyllum sp. 6 1