Formación Lagares - Miembro Inferior (Carboniferous of Argentina)

Where: La Rioja, Argentina (30.2° S, 67.3° W: paleocoordinates 54.6° S, 68.0° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Inferior Member (Lagares Formation), Carboniferous (358.9 - 298.9 Ma)

• member-level stratigraphic resolution

Environment/lithology: terrestrial; lithified, conglomeratic conglomerate and lithified, conglomeratic sandstone

Size class: microfossils

• Other: Palynomorphs

Preservation: soft parts, original sporopollenin

Collection methods: bulk, chemical, hydrochloric, hydroflouric,

• Repository: Laboratorio de Palinología de la Cátedra de Paleontología, Facultad de Ciencias exactas y Naturales de la Universidad de Buenos Aires.

Primary reference: C. A. Menendez and C. L. Azcuy. 1969. Microflora carbónica de la ciudad de Paganzo, Provincia de La Rioja. Parte I. Ameghiniana VI(2):77-97 [C. Jaramillo/P. Santamarina/P. Santamarina]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 151440: authorized by Carlos Jaramillo, entered by Patricio Santamarina on 02.10.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

 Life -
Raistrickia
  -
Raistrickia "sp." Potonié and Kremp 1954
Raistrickia densa Menéndez 1965
Raistrickia aculeata
  -
Phyllothecotriletes
  -
Algae
  - Zygnemataceae
Tetraporina "sp." Naumova 1950
Tetraporina horologia Playford 1963
Tetraporina cf. sibirica Kondratyev 1963
Pteridopsida
  -
Leiotriletes "sp. A" Potonie and Kremp 1954
Leiotriletes "sp. B" Potonie and Kremp 1954
Leiotriletes gracilis Menéndez 1965
Leiotriletes petilus Menendez and Azcuy 1971
nomen novum
? Granulatisporites "sp." Potonié and Kremp 1954
Granulatisporites varigranifer Menendez and Azcuy 1971
Apiculatosporites caperatus Menendez and Azcuy 1969
Polypodiopsida
  -
Verrucosisporites minutus Menendez and Azcuy 1971
Punctatisporites
  -
Punctatisporites "sp." Potonié and Kremp 1954
Punctatisporites glaber Playford 1962
Lophotriletes
  -
Lophotriletes "sp." Potonié and Kremp 1954
Sphenopsida
  -
Calamospora "sp." Schopf et al.
Calamospora multiplicata Menendez and Azcuy 1969
Anapiculatisporites
  -
? Anapiculatisporites variornatus Menendez and Azcuy 1969
Apiculiretusispora variornata (nov. comb.)
? Anapiculatisporites rallus Menendez and Azcuy 1969
Apiculiretusispora ralla (nov. comb.)
Cyclogranisporites
  -
Cyclogranisporites "sp." Potonié and Kremp 1954
Retusotriletes simplex
  -
Retusotriletes simplex Naumova 1953
var. riojanensis (nov. var.)
Retusotriletes
  -
Retusotriletes anfractus Menendez and Azcuy 1969
Apiculiretusispora
  -
Apiculiretusispora papillata Menendez and Azcuy 1971
Apiculiretusispora sparsa Menendez and Azcuy 1971
Irmosporites circumpolaris
  -
Irmosporites circumpolaris Menendez and Azcuy 1969
Pustulatisporites
  -
Pustulatisporites cf. papillosus Potonié and Kremp 1955