Basal Heath or Caleto Mero Shales: Late/Upper Oligocene, Peru

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Bivalvia - Arcida - Arcidae
Barbatia sp. Gray 1842
Arca (Scapharca) meroensis n. sp. Olsson 1931
Bivalvia - Carditida - Crassatellidae
Hybolophus disenum Devries 2016
Devries 2016
Bivalvia - Cardiida - Solecurtidae
Tagelus sp. Gray 1847
Bivalvia - Cardiida - Tellinidae
Macoma meroensis n. sp. Olsson 1931
Bivalvia - Cardiida - Veneridae
Chione posorjensis n. sp. Olsson 1931
recombined as Chione (Chionopsis) posorjensis
Dosinia (Dosinidia) palmeriae n. sp.
synonym of Dosinia
Callista (Costacallista) mancorensis Olsson 1931
Clementia peruviana Olsson 1928
recombined as Clementia (Egesta) peruviana
Bivalvia - Cardiida - Mactridae
Mactra (Mactrella) tumbezia n. sp. Olsson 1921
recombined as Mactrellona tumbezia
Bivalvia - Nuculanida - Nuculanidae
Leda (Adrana) sp. (Adams and Adams 1858)
original and current combination Adrana
Gastropoda - Heterostropha - Architectonicidae
Architectonica sullana Olsson 1928
Gastropoda - Turritellidae
Turritella meroensis n. sp. Olsson 1931
Turritella conquistadorana Hanna and Israelsky 1925
Turritella caleta n. sp. Olsson 1931
Turritella hubbardi Hodson 1926
Gastropoda - Naticidae
Sinum multilineatum
var. peruvianum
Gastropoda - Ficidae
Ficus woodringi n. sp. Olsson 1931
Gastropoda - Neogastropoda - Thaisidae
Acanthina (Chorus) meroensis n. sp. Olsson 1931
Acanthina (Chorus) sula n. sp. (Olsson 1931)
original and current combination Chorus sula
Gastropoda - Neogastropoda - Pseudolividae
Pseudoliva parinasensis Woods 1922
recombined as Pseudoliva (Buccinorbis) parinasensis
var. mancorensis
Gastropoda - Neogastropoda - Volutidae
Voluta (Peruluta) mancorensis Olsson 1928
recombined as Peruluta mancorensis
Gastropoda - Bursidae
Bursa sp. Roding 1798
Gastropoda - Neotaenioglossa - Calyptraeidae
Crepidula sp. Lamarck 1799
see common names

Geography
Country:Peru State/province:Piura
Coordinates: 5.0° South, 80.0° West (view map)
Paleocoordinates:6.8° South, 74.6° West
Basis of coordinate:estimated from map
Geographic resolution:outcrop
Time
Period:Paleogene Epoch:Oligocene
Stage:Chattian 10 m.y. bin:Cenozoic 4
Key time interval:Late/Upper Oligocene
Age range of interval:27.82000 - 23.03000 m.y. ago
Stratigraphy
Formation:Heath
Stratigraphic resolution:bed
Stratigraphy comments: basal Heath, or Caleto Mero shales
70% of species in list are restricted to this horizon
base of late Oligocene
Lithology and environment
Primary lithology: sandstone
Secondary lithology: "shale"
Lithology description: narrow transitional zone between Heath Fm shales and Punta Bravo Grits - thin sandstones and shales, rocks generally fossiliferous
Environment:shoreface
Geology comments: species belong to a small fauna of shallow water affinity that followed near the advancing shore line of the early Heath Sea
Taphonomy
Collection methods and comments
Reason for describing collection:taxonomic analysis
Metadata
Database number:64559
Authorizer:L. Ivany, W. Kiessling Enterer:L. Ivany, M. Krause
Modifier:L. Ivany Research group:marine invertebrate
Created:2006-09-10 12:02:27 Last modified:2006-09-10 16:58:35
Access level:the public Released:2006-09-10 12:02:27
Creative Commons license:CC BY
Reference information

Primary reference:
14915. A. A. Olsson. 1931. Contributions to the Tertiary Paleontology of Northern Peru: Part 4, The Peruvian Oligocene. Bulletins of American Paleontology 17(63) [L. Ivany/L. Ivany]

Secondary references:

59889 T. J. Devries. 2016. Fossil Cenozoic crassatelline bivalves from Peru: New species and generic insights. Acta Palaeontologica Polonica 61 [W. Kiessling/M. Krause]