Chelidonocephalus fauna, parallel to Zogros, Iran - Fortey and Rushton 1976 (Cambrian of Iran)

Where: Iran (36.1° N, 50.6° E: paleocoordinates 16.4° S, 138.7° E)

• basin-level geographic resolution

When: Drepanura zone, Mila Formation, Merioneth (497.0 - 485.4 Ma)

• formation-level stratigraphic resolution

Environment/lithology: gray limestone

• grey sparry limestone

Size classes: macrofossils, mesofossils, microfossils

Preservation: cast

Collection methods: The horny brachiopods found with the trilobites are not described in depth past being fragmented

Primary reference: R. A. Fortey and A. W. A. Rushton. 1976. Chelidonocephalus trilobite fauna from the Cambrian of Iran. Bulletin of the British Museum of Natural History (Geology) 27(4):321-340 [M. Patzkowsky/P. Borkow]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 10633: authorized by Mark Patzkowsky, entered by Phil Borkow on 30.05.2001

Creative Commons license: CC BY (attribution)

Taxonomic list

• The list only includes trilobites to the genus/species level.
Show authors, comments, and common names
Artiopoda
 Agnostida - Peronopsidae
Peronopsis (fallax) aff. minor
Peronopsis (fallax) aff. minor
approximately 30 specimens of cephala and pygidia
 Agnostida - Agnostidae
Hadragnostus edax
Trilobita
 Asaphida - Anomocarellidae
Anomocarella falconi
 Ptychopariida - Proasaphiscidae
Chelidonocephalus alifrons, Chelidonocephalus preannulatus n. sp., Iranoleesia pisiformis
 Ptychopariida - Plethopeltidae
Koldiniella mitella
 Corynexochida - Tsinaniidae
? Tsinania sp.
? Tsinania sp. Walcott 1914 trilobite
 Corynexochida - Dorypygidae
Dorypyge sp.
Dorypyge sp. Dames 1883 trilobite
1 fragmentary pygidia about 7mm long
Brachiopoda
  -
Brachiopoda indet.
Brachiopoda indet. Cuvier 1805