Shah Firuzkuh (Sarmatian) (Miocene of Iran)

Where: Iran (35.7° N, 53.0° E: paleocoordinates 35.4° N, 52.1° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Sarmatian (12.7 - 11.6 Ma)

• STRATIGRAPHIC RELATIONS: From strata of Sarmatian age that conformably overlay the Pholas Beds. No further lithostratigraphic data reported. AGE: Sarmatian (Middle Miocene). STRATIGRAPHIC POSITION: From unknown position within the Sarmatian horizon.

• group of beds-level stratigraphic resolution

Environment/lithology: coastal; ooidal, shelly/skeletal, sandy, calcareous marl and ooidal, shelly/skeletal, sandy, calcareous claystone

• ENVIRONMENT: Shallow marine siliciclastic environment, possibly nearshore based on faunal composition.
• SPECIFIC LITHOLOGY: Marl and claystone with numerous intercalations of sandy limestone, partly oolitic, containing numerous fossils. LITHIFICATION: Unknown.

Size class: macrofossils

Collection methods: surface (in situ),

• COLLECTOR: Not stated, presumbaly P. E. Süssli. REPOSITORY: Not stated, presumably Geological Survey of Iran.

Primary reference: P. E. Süssli. 1976. The Geology of the Lower Haraz Valley area, Central Alborz, Iran. Geological Society of Iran Report 38 [A. Hendy/A. Hendy]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 77234: authorized by Austin Hendy, entered by Austin Hendy on 06.01.2008

Creative Commons license: CC BY (attribution)

Taxonomic list

• COVERAGE: Exhaustive for gastropoda and bivalvia. NOMENCLATURE: Antiquated, but mostly assigned to species level.
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Gastropoda
 Heterostropha - Valvatidae
Valvata pseudoadoerbis
 Sorbeoconcha - Hydrobiidae
Hydrobia sp.
Hydrobia sp. Hartmann 1821 snail
 Trochoidea - Trochidae
Gibbula rollandiana, Gibbula sp.
Gibbula sp. Risso 1826 top snail
 Opisthobranchia - Cylichnidae
Acteocina sp., Acteocina lajonkaireana
Acteocina sp. Gray 1847 barrel-bubble
Acteocina lajonkaireana Basterot 1825 barrel-bubble
Bivalvia
 Mytilida - Crenellidae
Musculus sarmaticus, Musculus sp.
Musculus sp. Roding 1798 mussel
 Cardiida - Mactridae
Mactra eichwaldi, Mactra podolica, Mactra sp.
Mactra sp. Linnaeus 1767 clam
 Cardiida - Veneridae
Tapes sp.
Tapes sp. Mühlfeld 1811 venus clam
 Cardiida - Cardiidae
Cardium plicatofittoni, Cardium fittoni, Cardium pseudomusculatum, Cardium obsoletum, Cardium hispidifomre, Cardium sp.
Cardium sp. Linnaeus 1758 cockle
 Cardiida - Donacidae
Donax priscus, Donax sp.
Donax sp. Linnaeus 1758 clam