Asifabad A (Ada) (Cretaceous of India)

Also known as Intertrappean Beds of Asifabad

Where: Andhra Pradesh, India (19.5° N, 79.2° E: paleocoordinates 27.8° S, 60.8° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Maastrichtian (72.1 - 66.0 Ma)

• Coeval to Takli Formation of Nagpur, intertrappean beds

• group of beds-level stratigraphic resolution

Environment/lithology: fluvial-lacustrine; white, calcareous sandstone and green, white, argillaceous sandstone

• 'lacustrine or laggonal conditions with minor fluvial inputs'; 'brackish water as well as freshwater conditions'
• "Calcareous gritty, white sandstone which attains a thickness of 0.75 m. The white sandstone grades vertically into whitish-green sandstone with an increase of clay content. The whitish-green sandstone measures upto 0.60 m."

Size class: macrofossils

Collected in 1982-1984

Collection methods: sieve,

Primary reference: A. Sahni, R. S. Rana, and G. V. R. Prasad. 1984. SEM studies of thin egg shell fragments from the intertrappeans (Cretaceous-Tertiary transition) of Nagpur and Asifabad, Peninsular India. Journal of the Palaeontological Society of India 29:26-33 [M. Carrano/K. Maguire/M. Carrano]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 58100: authorized by Matthew Carrano, entered by Kaitlin Maguire on 19.01.2006, edited by Matthew Carrano and Philip Mannion

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Deuteropoda
  -
Ostracoda indet.
Ostracoda indet. Latreille 1802 ostracod
Gastropoda
  -
Gastropoda indet.
Gastropoda indet. Cuvier 1795 snail
Bivalvia
  -
"Pelecypoda indet." = Bivalvia
"Pelecypoda indet." = Bivalvia Linnaeus 1758 clam
Reptilia
 Squamata -
Lacertilia indet.6, Booidea indet.2
Lacertilia indet.6 lizard
"lizards"
Booidea indet.2 Gray 1825 snake
"snakes"
 Loricata -
Crocodyliformes indet.4
Crocodyliformes indet.4 crocodilian
"crocodiles"
 Theropoda - Megalosauridae
cf. Megalosaurus sp.2
cf. Megalosaurus sp.2 Parkinson 1822 tetanuran theropod
 Saurischia -
Sauropoda indet.2
Sauropoda indet.2 sauropod
eggshell fragments
Amphibia
 Salientia -
Anura indet.1
Anura indet.1 Fischer von Waldheim 1813 frog
Actinopteri
 Amiiformes - Palaeolabridae
Palaeolabrus dormaalensis2
Palaeolabrus dormaalensis2 Casier 1967 bowfin
 Lepisosteiformes -
Lepidotes sp.2
Lepidotes sp.2 Agassiz 1832 gar
 Lepisosteiformes - Lepisosteidae
Lepisosteus sp.5
Lepisosteus sp.5 Agassiz 1843 gar
 Osteoglossiformes - Osteoglossidae
Phareodus sp.5
Phareodus sp.5 Leidy 1873 arowana
 Aulopiformes - Alepisauridae
Apatodus sp.2
Apatodus sp.2 lancetfish
 Aulopiformes - Enchodontidae
Enchodus sp.2
Enchodus sp.2 Agassiz 1835
 Tetraodontiformes - Eotrigonodontidae
Stephanodus sp.2, Eotrigonodon sp.2
Stephanodus sp.2 Zittel 1883
Eotrigonodon sp.2 Weiler 1929
 Tetraodontiformes -
Indotrigonodon sp.2
Indotrigonodon sp.2 Jain and Sahni 1983
 Aspidorhynchiformes - Aspidorhynchidae
Belonostomus sp.2
Belonostomus sp.2 Agassiz 1834
 Pycnodontiformes - Pycnodontidae
Pycnodus sp.2
Pycnodus sp.2 Agassiz 1833
Chondrichthyes
 Myliobatiformes - Rhombodontidae
Rhombodus "sp. 2"3, Rhombodus "sp. 1"3
Rhombodus "sp. 2"3 Dames 1881 stingray
Rhombodus "sp. 1"3 Dames 1881 stingray
 Myliobatiformes - Myliobatidae
Igdabatis indicus3
Igdabatis indicus3 Prasad and Cappetta 1993 eagle ray
 Myliobatiformes -
Coupatezia sp.2
Coupatezia sp.2 Cappetta 1982 stingray
 Euselachii -
Rajiformes indet.3
Rajiformes indet.3 Berg 1940 ray
VPL/JU 128–130
 Rajiformes - Rajidae
Raja sudhakari n. sp.3
Raja sudhakari n. sp.3 Prasad and Cappetta 1993 skate
VPL/JU 100–106
 Synechodontiformes - Orthacodontidae
"Orthacodus sp." = Sphenodus2
"Orthacodus sp." = Sphenodus2 Agassiz 1843 elasmobranch
unclassified
  -
Charophyta indet.
Charophyta indet. Migula 1890
1Agnolin 2012; 2Prasad 1989; 3Prasad and Cappetta 1993; 4Rio and Mannion 2021; 5Sahni 1984; 6Sahni et al. 1987