Lost Maggot Mine Site (Cretaceous of Canada)

Also known as LM

Where: Alberta, Canada (49.1° N, 110.5° W: paleocoordinates 56.3° N, 76.0° W)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Dinosaur Park Formation (Belly River Group), Late/Upper Campanian (83.5 - 70.6 Ma)

• from a channel lag within the 8-16 m thick Lethbridge coal zone

• bed-level stratigraphic resolution

Environment/lithology: estuary or bay; shelly/skeletal mudstone

• "extensive lag (<50 cm thick), dominated by large numbers of unionid pelecypod valves and valve fragments" in a mudstone

Size class: mesofossils

Collection methods: bulk, sieve,

Primary reference: D. A. Eberth and D. B. Brinkman. 1997. Paleoecology of an estuarine, incised-valley fill in the Dinosaur Park Formation (Judith River Group, Upper Cretaceous) of southern Alberta, Canada. Palaios 12:43-58 [J. Alroy/J. Alroy/J. Alroy]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 34319: authorized by John Alroy, entered by John Alroy on 26.08.2003

Creative Commons license: CC BY (attribution)

Taxonomic list

Chondrichthyes
 Hybodontiformes - Hybodontidae
Hybodus montanensis Case 1978 elasmobranch
 Myliobatiformes - Dasyatidae
Myledaphus bipartitus Cope 1876 whiptail stingray
Actinopteri
 Acipenseriformes - Polyodontidae
Polyodontidae indet. Bonaparte 1838 paddlefish
 Acipenseriformes - Acipenseridae
Acipenser albertensis Lambe 1902 sturgeon
 Teleostei -
 Teleostei - Aspidorhynchidae
 Elopiformes - Phyllodontidae
Paralbula casei Estes 1969
 Albuliformes - Albulidae
Coriops amnicolus Estes 1969 bonefish
 Holostei -
 Amiiformes - Amiidae
Amiidae indet. Huxley 1861 bowfin
 Lepisosteiformes - Lepisosteidae
"Atractosteus occidentalis" = Lepisosteus occidentalis
"Atractosteus occidentalis" = Lepisosteus occidentalis Leidy 1856 gar
Osteichthyes
 Proteida - Batrachosauroididae
Opisthotriton kayi Auffenberg 1961 tetrapod
 Caudata - Urodela
Scapherpeton tectum Cope 1876 salamander
Reptilia
 Testudines - Pancheloniidae
? Lophochelys sp. Zangerl 1953 turtle
 Neornithischia -
Ceratopsia indet. ornithischian
 Choristodera -
Champsosaurus natator Parks 1933 choristodere
Mammalia
 Marsupialia - Marsupialia