Arucas 35 masl: Middle Pleistocene, Spain

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Gastropoda - Lepetellida - Fissurellidae
Emarginula huzardi
Gastropoda - Turbinidae
Astraea rugosa (Linnaeus 1767)
recombined as Bolma rugosus
Gastropoda - Cerithiidae
Bittium reticulatum (da Costa 1778)
Gastropoda - Campanilidae
Cerithium rupestre Risso 1826
recombined as Cerithium (Thericium) rupestre
Gastropoda - Littorinidae
Littorina striata
Gastropoda - Caecidae
Caecum crassum
Gastropoda - Neogastropoda - Fasciolariidae
Latirus armatus Adams 1855
recombined as Hemipolygona armata
Gastropoda - Neogastropoda - Nassariidae
Amyclina pfeifferi
Gastropoda - Neogastropoda - Buccinidae
Chauvetia minima
Gastropoda - Neogastropoda - Mangeliidae
Bela nebula
Gastropoda - Neogastropoda - Muricidae
Nucella lapillus (Linnaeus 1758)
Gastropoda - Bursidae
Bursa scrobiculator
Gastropoda - Vermetidae
Bivonia triquetra
spelled with current rank as Vermetus (Bivonia)
Petaloconchus subcancellatus
original and current combination Petaloconchus
Bivalvia - Ostreida - Ostreidae
Saccostrea cucullata Born 1778
recombined as Saccostrea cuccullata
Bivalvia - Ostreida - Gryphaeidae
Gryphaea virleti (Deshayes 1832)
Meco 1982
recombined as Hyotissa virleti
Bivalvia - Carditida - Carditidae
Cardita calyculata (Linnaeus 1758)
Meco 1982
recombined as Cardita (Cardita) calyculata
see common names

Geography
Country:Spain
Coordinates: 28.1° North, 15.5° West (view map)
Paleocoordinates:28.1° North, 15.5° West
Basis of coordinate:estimated from map
Geographic resolution:outcrop
Time
Period:Quaternary Epoch:Pleistocene
Stage:Chibanian 10 m.y. bin:Cenozoic 6
Key time interval:Middle Pleistocene
Age range of interval:0.77400 - 0.12900 m.y. ago
Age estimate:.421 ± .02 to .151 ± .011 Ma (K-Ar)
Stratigraphy
Stratigraphic resolution:bed
Stratigraphy comments: The lavas have been dated by the conventional K/Ar dating method on whole rock at 0.5 Ma (0.548 and 0.529 U 0.02) and 0.3 Ma (0.297 and 0.326 U 0.03), respectively (Lietz and Schmincke, 1975). Because conventional K/Ar dating on whole rock may give erroneous older apparent ages (Guillou et al., 1998), new unspiked K/Ar datings of groundmass were carried out on the same lavas. These new determinations give ages of 0.421 +- 0.020 Ma for the tephrite and 0.151 +- 0.011 Ma for the Hauyne phonolite.
Lithology and environment
Primary lithology: lithified conglomerate
Secondary lithology: lithified sandstone
Lithology description: coastal conglomerates and sandstones interbedded with the tephritic lava flows
Environment:coastal indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Collection excludes:some genera
Collection methods:field collection
Reason for describing collection:biostratigraphic analysis
Taxonomic list comments:List is only certain molluscs: "species that do not present a climatically significant ecology (cosmopolitan species, species with a geographic biodistribution in both the north and south Atlantic, rare endemic Canarian species) are not mentioned in this work."
Metadata
Database number:128384
Authorizer:J. Sessa Enterer:J. Sessa
Research group:marine invertebrate
Created:2012-06-07 01:44:52 Last modified:2012-06-06 10:44:52
Access level:authorizer only Released:2014-06-07 01:44:52
Creative Commons license:CC BY
Reference information

Primary reference:
41925. J. Meco, H. Guillou, J.-C. Carracedo, A. Lomoschitz, A.-J. G. Ramos and J.-J. Rodriguez-Yanez. 2002. The maximum warmings of the Pleistocene world climate recorded in the Canary Islands. Palaeogeography, Palaeoclimatology, Palaeoecology 185:197-210 [J. Sessa/J. Sessa]

Secondary references:

41928 J. Meco. 1982. Los Bivalvos fosiles de las Canarias orientale. Anuario de estudios atlánticos 28:65-125 [J. Sessa/J. Sessa]