Northwest of Profil "Aliabad", Howz-e-Khan-Member, 3h: Rhaetian, Iran
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Bivalvia
- Nuculida
- Nuculidae
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Trigonucula goniocostata n. sp.
Hautmann 2001
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| 10 individuals at this locality (4 different horizons) | ||||||||||
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Palaeonucula sundaica
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| 131 individuals at this locality (7 different horizons) | ||||||||||
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Bivalvia
- Nuculanida
- Nuculanidae
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Mesosaccella subzelima
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| 5 individuals at this locality (3 different horizons) | ||||||||||
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Nuculana (Nuculana) naibandensis
Hautmann 2001
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| 151 individuals at this locality (7 different horizons) | ||||||||||
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Bivalvia
- Trigoniida
- Trigoniidae
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Trigonia (Modestella) zlambachensis
(Haas 1909)
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2 individuals | |||||||||
| recombined as Trigonia (Primatrigonia) zlambachiensis | ||||||||||
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Bivalvia
- Trigoniida
- Myophoriidae
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Gruenewaldia iranica
Hautmann 2001
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8 individuals | |||||||||
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Bivalvia
- Carditida
- Myophoricardiidae
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Myophoricardium subquadratum
Hautmann 2001
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8 individuals | |||||||||
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Myophoricardium lineatum
von Wöhrmann 1889
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2 individuals | |||||||||
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Bivalvia
- Carditida
- Astartidae
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Praeconia matura
Hautmann 2001
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6 individuals | |||||||||
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Coelopis (Coelopis) aurea n. sp.
Hautmann 2001
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1 individual | |||||||||
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Bivalvia
- Lucinida
- Lucinidae
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Schafhaeutlia sphaerioides
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1 individual | |||||||||
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Bivalvia
- Pholadida
- Corbulidae
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Antiquicorbula concentrica
Hautmann 2001
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3 individuals | |||||||||
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Bivalvia
- Cardiida
- Palaeocarditidae
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Palaeocardita iranica
Hautmann 2001
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8 individuals | |||||||||
| incl. 2 individuals P. iranica multiradiata var. nov. | ||||||||||
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Bivalvia
- Cardiida
- Anthracosiidae
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Unionites griesbachi
(Bittner 1899)
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| approx. 40 individuals at 5 localities (8 different horizons) | ||||||||||
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Bivalvia
- Arcida
- Parallelodontidae
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Grammatodon (Cosmetodon) informal sp. A
Branson 1942
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1 individual | |||||||||
| spelled with current rank as Cosmetodon | ||||||||||
| sp. A | ||||||||||
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Parallelodon tectum
Hautmann 2001
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3 individuals | |||||||||
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Grammatodon (Grammatodon) informal sp. A
Meek and Hayden 1860
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1 individual | |||||||||
| sp. A | ||||||||||
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Bivalvia
- Ostreida
- Pinnidae
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Pinna (Pinna) sp.
Linnaeus 1758
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| sp. A; approx. 30 fragmented pieces at 5 localities (9 different horizons) | ||||||||||
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Pinna (Pinna) cf. tommasii
(Wohrmann and Koken 1892)
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1 individual | |||||||||
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Bivalvia
- Ostreida
- Pteriidae
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Pteria (Pteroperna) malayensis
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2 individuals | |||||||||
| original and current combination Pteroperna | ||||||||||
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Bivalvia
- Ostreida
- Cassianellidae
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Cassianella inaequiradiata
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| 88 individuals at 4 localities (14 different horizons) | ||||||||||
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Bivalvia
- Ostreida
- Bakevelliidae
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Gervillia (Cultriopsis) informal sp. A
Cossman 1904
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1 individual | |||||||||
| sp. A | ||||||||||
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Gervillia (Cultriopsis) canalis n. sp.
Hautmann 2001
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12 individuals | |||||||||
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Bivalvia
- Ostreida
- Ostreidae
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? Umbrostrea aff. parasitica
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1 individual | |||||||||
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Umbrostrea emamii
Hautmann 2001
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| 82 individuals at 5 localities (14 different horizons) | ||||||||||
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Bivalvia
- Pectinida
- Limidae
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Antiquilima hians
Hautmann 2001
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Plagiostoma subvaloniense
Krumbeck 1923
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Bivalvia
- Pectinida
- Prospondylidae
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Persia monstrosa
Repin 1996
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| 72 individuals at 6 localities (14 different horizons) | ||||||||||
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Bivalvia
- Pectinida
- Plicatulidae
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Pseudoplacunopsis asymmetrica
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5 individuals | |||||||||
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Bivalvia
- Pectinida
- Pectinidae
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Indopecten serraticosta
(Bittner 1899)
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7 individuals | |||||||||
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Indopecten variecostatus
Wen and Lan 1976
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1 individual | |||||||||
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Chlamys (Chlamys) favrii
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5 individuals | |||||||||
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Bivalvia
- Pectinida
- Propeamussiidae
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Propeamussium (Parvamussium) schafhaeutli
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1 individual | |||||||||
| see common names | ||||||||||
Geography
| Country: | Iran |
| Coordinates: | 32.5° North, 57.4° East (view map) |
| Paleocoordinates: | 11.6° South, 43.8° East |
| Basis of coordinate: | stated in text |
| Geographic resolution: | small collection |
Time
| Period: | Triassic | Epoch: | Late/Upper Triassic |
| Stage: | Rhaetian | 10 m.y. bin: | Triassic 4 |
| Key time interval: | Rhaetian | ||
| Age range of interval: | 208.50000 - 201.40000 m.y. ago |
Stratigraphy
| Formation: | Nayband | Member: | Howz-e-Khan |
| Stratigraphic resolution: | bed |
Lithology and environment
| Primary lithology: | lithified "mixed carbonate-siliciclastic" |
| Lithology description: The Howz-e-Khan-Member consists mainly of siliciclastics (siltstone and fine sandstone), carbonates are more common than in the other members of the Nayband Formation. | |
| Environment: | marine indet. |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
| Preservation of anatomical detail: | good |
| Articulated whole bodies: | some |
Collection methods and comments
| Collection excludes: | some macrofossils |
| Collection methods: | field collection |
| Reason for describing collection: | taxonomic analysis |
| Collection method comments: Specimen housed at the Palaeontologisches Institut der Universitat Wurzburg (PIW) | |
Metadata
| Database number: | 48969 | ||
| Authorizer: | M. Aberhan | Enterer: | S. Nurnberg |
| Modifier: | M. Clapham | Research group: | marine invertebrate |
| Created: | 2005-04-05 05:50:16 | Last modified: | 2017-08-01 20:09:04 |
| Access level: | the public | Released: | 2005-04-05 05:50:16 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 13062. | M. Hautmann. 2001. Die Muschelfauna der Nayband-Formation (Obertrias, Nor - Rhät) des östlichen Zentraliran. Beringeria 29:3-181 [M. Aberhan/M. Aberhan/M. Aberhan] |