Mahallat reefs, Delijan area, Central Iran (Triassic of Iran)

Also known as Reef 2353

Where: Iran (34.0° N, 50.4° E: paleocoordinates 29.7° N, 41.6° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Nayband Formation, Sevatian (212.0 - 205.6 Ma)

• Norian to Rhaetian age stated in text; according to Marcoux 1993 Nayband formation of Late Norian age

• member-level stratigraphic resolution

Environment/lithology: reef, buildup or bioherm; lithified reef rocks

• bedded limestones with Megalodonts and algal mats

Size classes: macrofossils, mesofossils

Preservation: recrystallized

Collection methods: peel or thin section

Primary reference: B. Senowbari-Daryan, K. Seyed-Emami, and A. Aghanabati. 1997. Some Inozoid sponges from Upper Triassic (Norian-Rhaetian) Nayband Formation of Central Iran. Rivista Italiana di Paleontologia e Stratigrafia 103(3):293-322 [W. Kiessling/B. Brenneis/B. Brenneis]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 37962: authorized by Wolfgang Kiessling, entered by Benjamin Brenneis on 29.03.2004, edited by Uta Merkel

Creative Commons license: CC BY (attribution)

Taxonomic list

Demospongiae
 Agelasida - Solenolmiidae
Paradeningeria alpina Senowbari-Daryan and Schaefer 1979 demosponge
 Agelasida - Preperonidellidae
Marawandia iranica n. gen. n. sp.
Marawandia iranica n. gen. n. sp. Senowbari-Daryan et al. 1997 demosponge
 Agelasida - Tabasiidae
Tabasia media Senowbari-Daryan 2005 demosponge
 Verticillitida - Verticillitidae
Nevadathalamia variabilis Senowbari-Daryan 2005 demosponge
Iranothalamia incrustans Boiko 1991 demosponge
 Hadromerida - Celyphiidae
Uvanella irregularis Ott 1967 demosponge