Rio Chitaga (Devonian of Colombia)

Where: Colombia (8.0° N, 73.0° W: paleocoordinates 48.0° S, 48.8° W)

• coordinate estimated from map

• local area-level geographic resolution

When: Rio Chitagá Formation, Givetian (387.7 - 382.7 Ma)

• Middle Devonian is resting unconformably on basement. Devonian consists of three members; collection is from the upper one. Formation from Pastor-Chacón, Reyes-Abril, Cáceres-Guevara, Sarmiento & Cramer 2013.

• member-level stratigraphic resolution

Environment/lithology: marine; ferruginous, ooidal sandstone and shale

• [The Devonian contains three members. The Lower consists of sandstone and conglomerate intercalated with shale [pelite]. The middle is composed of dark shales [pelites] with micaceous sand levels...The upper consists of a sand-shale sequence...with several levels rich in ferruginous oolites"

Size class: macrofossils

Primary reference: T. Boinet, C. Babin, J. Broutin, H. Lardeux, D. Pons and P. Racheboeuf. 1986. Les grandes etapes de l'evolution paleozoique du Massif de Santander (Andes de Colombie): signification de la discordance du Devonian moyen. Comptes Rendus de l'Academie des Sciences de Paris, Serie II 303(8):707-712 [M. Foote/M. Foote/M. Foote]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 35982: authorized by Michael Foote, entered by Michael Foote on 12.01.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Strophomenata
 Strophomenida - Chonetidae
? Devonochonetes sp. Muir-Wood 1962
Rhynchonellata
 Rhynchonellida - Sapphicorhynchidae
""Camarotoechia" cf. sappho" = Sapphicorhynchus sappho
""Camarotoechia" cf. sappho" = Sapphicorhynchus sappho Hall 1860
Bivalvia
 Cyrtodontida - Antipleuridae
Panenka sp. Barrande 1881 clam
 Solenida - Orthonotidae
Orthonota undulata Conrad 1841 clam
 Lucinida - Mactromyidae
 Life -
Raistrickia
  -
Raistrickia sp. Potonié and Kremp 1954
Platyphyllum
  -
"Platyphyllum cf. williamsonii" = Flabellofolium
"Platyphyllum cf. williamsonii" = Flabellofolium
Retusotriletes
  -
Taeniocrada
  -
Drepanophycus spinaeformis
  -
Psilophytopsida
 Psilophytales - Psilophytaceae
Protolepidodendron
  -
Acanthotriletes
  -
Cirratriradites
  -
Cirratriradites sp. Wilson and Coe 1940
Pteridopsida
  -
Grandispora
  -