Quebrada La Totora, Profil 4, Sample 5-6: Aalenian, Chile

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Rhynchonellata - Terebratulida - Lobothyrididae
Lobothyris subpunctata (Davidson 1851)
2 individuals
synonym of Lobothyris punctata
Rhynchonellata - Rhynchonellida - Rhynchonellidae
Rhynchonelloidea informal sp. A Buckman 1917
4 individuals
Bivalvia - Carditida - Cardiniidae
Cardinia andium (Giebel 1861)
3 individuals
Bivalvia - Carditida - Astartidae
Astarte aureliae
1 individual
Bivalvia - Pandorida - Laternulidae
Cercomya undulata Sowerby 1827
8 individuals
Bivalvia - Pholadomyida - Pholadomyidae
Pholadomya fidicula Sowerby 1826
20 individuals
recombined as Pholadomya (Pholadomya) fidicula
Goniomya (Goniomya) asientosensis Aberhan 2004
5 individuals
Bivalvia - Cardiida - Kalenteridae
Myoconcha cf. neuquena Leanza 1940
1 individual
Bivalvia - Cardiida - Cardiidae
Protocardia striatula Sowerby 1829
2 individuals
Bivalvia - Pholadida - Pleuromyidae
Pleuromya uniformis Sowerby 1813
7 individuals
Bivalvia - Pholadida - Ceratomyidae
Gresslya peregrina (Phillips 1829)
19 individuals
original and current combination Unio peregrinus
Bivalvia - Lucinida - Lucinidae
Mesomiltha bellona d'Orbigny 1850
9 individuals
Bivalvia - Trigoniida - Trigoniidae
Trigonia stelzneri
5 individuals
Bivalvia - Trigoniida - Laevitrigoniidae
Jaworskiella pustulata Reyes and Perez 1980
1 individual
recombined as Quadratojaworskiella pustulata
Bivalvia - Trigoniida - Myophorellidae
Vaugonia informal sp. B Crickmay 1930
7 individuals
Bivalvia - Mytilida - Mytilidae
Modiolus baylei
1 individual
Modiolus giganteus Quenstedt 1857
1 individual
Bivalvia - Ostreida - Palaeolophidae
Actinostreon solitarium (Sowerby 1824)
8 individuals
synonym of Actinostreon gregareum
Bivalvia - Ostreida - Pinnidae
Pinna cf. folium Young and Bird 1822
2 individuals
Bivalvia - Ostreida - Malleidae
Gervilleioperna aurita Aberhan and von Hillebrandt 1996
1 individual
Bivalvia - Pectinida - Limidae
Plagiostoma informal sp. B Sowerby 1814
2 individuals
Pseudolimea cf. roemeri (Brauns 1871)
1 individual
Ctenostreon cf. rugosum (Smith 1817)
4 individuals
original and current combination Ostrea rugosa
Bivalvia - Pectinida - Pectinidae
Chlamys textoria (Schlotheim 1820)
3 individuals
Eopecten abjectus
8 individuals
Bivalvia - Pectinida - Entoliidae
Entolium corneolum (Young and Bird 1828)
6 individuals
recombined as Entolium (Entolium) corneolum
Bivalvia - Arcida - Cucullaeidae
Cucullaea (Idonearca) cf. rothi
1 individual
see common names

Geography
Country:Chile
Coordinates: 28.7° South, 70.2° West (view map)
Paleocoordinates:26.8° South, 33.5° West
Basis of coordinate:estimated from map
Geographic resolution:small collection
Time
Period:Jurassic Epoch:Middle Jurassic
Stage:Aalenian 10 m.y. bin:Jurassic 3
Key time interval:Aalenian
Age range of interval:174.70000 - 170.90000 m.y. ago
Stratigraphy
Local section:Quebrada La Totora Local bed:5-6
Local order:bottom to top
Stratigraphic resolution:bed
Lithology and environment
Primary lithology: lithified "mixed carbonate-siliciclastic"
Environment:open shallow subtidal Tectonic setting:back-arc basin
Taphonomy
Modes of preservation:body,mold/impression,original calcite,replaced with silica
Size of fossils:macrofossils
Articulated whole bodies:some
Temporal resolution:time-averaged
Spatial resolution:parautochthonous
Collection methods and comments
Collection methods:mechanical
Collection size:132 individuals
Reason for describing collection:paleoecologic analysis
Metadata
Database number:35451
Authorizer:M. Aberhan Enterer:S. Nurnberg
Modifier:M. Clapham Research group:marine invertebrate
Created:2003-12-16 01:13:53 Last modified:2017-08-01 18:59:01
Access level:the public Released:2003-12-16 01:13:53
Creative Commons license:CC BY
Reference information

Primary reference:
487. M. Aberhan. 1992. Palokologie und zeitliche Verbreitung benthischer Faunengemeinschaften im Unterjura von Chile. Beringeria 5:1-174 [M. Kosnik/M. Kosnik]