Mali 8, Menaka (Cretaceous of Mali)

Also known as Iullemmeden basin

Where: Mali (18.3° N, 2.0° E: paleocoordinates 8.8° N, 2.4° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Ménaka Formation, Maastrichtian (72.1 - 66.0 Ma)

• Iullemmeden basin; Bed at the 26 m level of the exposure

• bed-level stratigraphic resolution

Environment/lithology: marginal marine; phosphatic conglomerate

• phosphatic conglomerate that consists of lithoclasts, coprolitic clasts,

•and fragmented polished bone

Size class: macrofossils

Collected by Centre National de la Recherche Scientifique et Technologique du Mali and Stony Brook University in 1999

Collection methods: surface (float),

Primary reference: L. Tapanila, E. M. Roberts, M. L. Bouaré, F. Sissoko, and M. A. O'Leary. 2004. Bivalve Borings in Phosphatic Coprolites and Bone, Cretaceous-Paleogene, Northeastern Mali. Palaios 19(6):565-573 [M. Uhen/M. Uhen/M. Uhen]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 114954: authorized by Philip Mannion, entered by Philip Mannion on 26.08.2011, edited by Evangelos Vlachos and Matthew Carrano

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
unclassified
  -
Knethichnus parallelum3, Lavocatodus giganteus3
Knethichnus parallelum3
Isolated vertebral centrum from a dyrosaurid crocodyliform, CNRST-SUNY 335
Cephalopoda
 Ammonitida - Sphenodiscidae
Libycoceras crossense1
Libycoceras crossense1 Zaborski 1982 ammonite
Unit 12
Reptilia
 Loricata - Dyrosauridae
Hyposaurinae indet.2
Hyposaurinae indet.2 crocodilian
CNRST–SUNY 285-287, 335 and 337 (fragmentary limb and vertebral remains)
Actinopteri
 Pycnodontiformes - Pycnodontidae
Pycnodus jonesae3, Pycnodus sp.3
Pycnodus sp.3 Agassiz 1833
 Osteoglossiformes - Osteoglossidae
Brychaetus sp.3
Brychaetus sp.3 Agassiz 1845 arowana
 Perciformes - Sparidae
? Sparidae indet.3
? Sparidae indet.3 Bonaparte 1832 perch-like fish
Chondrichthyes
 Myliobatiformes - Myliobatidae
Myliobatis wurnoensis3
Myliobatis wurnoensis3 White 1934 eagle ray
 Euselachii -
Neoselachii indet.2
Neoselachii indet.2 Compagno 1977 elasmobranch
Bite marks on the indeterminate hyposaurine remains
 Ichnofossils -
Gastrochaenolites ornatus3
Gastrochaenolites ornatus3 Kelly and Bromley 1984
CNRST-SUNY 184
Linichnus
  -
Linichnus serratus3
Linichnus serratus3
Located on postcranial elements of dyrosaurid crocodyliforms: CNRST-SUNY 285, 286, 287, 335.
1Claeson et al. 2010; 2Hill et al. 2015; 3O'Leary et al. 2019