Izarra (MCNA collection): Early/Lower Miocene, Spain

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Insecta - Orthoptera - Acrididae
Acrididae informal indet. 1 (Latreille 1802)
Arillo and Ortuño 1997 4 specimens
original and current combination Acrydiana
MCNA 3752, 5177, 5474, 5475
Insecta - Hemiptera - Geocoridae
Geocoris monserrati n. sp. Ortuño and Arillo 1997
Ortuño and Arillo 1997 1 specimen
recombined as Geocoris (Geocoris) monserrati
MCNA 5361 (1 measurement)
Insecta - Hemiptera - Rhyparochromidae
Rhyparochrominae indet. (Amyot and Audinet-Serville 1843)
Ortuño and Arillo 1997 1 specimen
corrected as Rhyparochromidae
MCNA 8550
Insecta - Hemiptera - Blissidae
Ischnodemus sp. Fieber 1837
Ortuño and Arillo 1997 1 specimen
MCNA 8549
Insecta - Hemiptera - Cydnidae
Cydnidae indet. (Billberg 1820)
Ortuño and Arillo 1997 1 specimen
MCNA 8548
Insecta - Hymenoptera - Halictidae
? Sphecodinae indet. (Schenck 1868)
Arillo et al. 1996 1 specimen
original and current combination Sphecodina
MCNA 5483 (1 measurement)
Insecta - Hymenoptera - Apidae
Apis aquisextana Nel et al. 1996
Arillo et al. 1996 1 specimen
synonym of Apis (Synapis) henshawi
MCNA 5482 (2 measurements)
Insecta - Coleoptera - Anthicidae
Anthicus neli n. sp. Arillo and Ortuño 1997
1 specimen
MCNA 7435 (2 measurements)
Insecta - Coleoptera - Chrysomelidae
Halticinae indet. Newman 1834
1 specimen
MCNA 7436
    = Phyllotreta sp. Chevrolat 1836
Nadein and Perkovsky 2017
Insecta - Coleoptera - Ptinidae
Ernobius alonsoi n. sp. Ortuño and Arillo 1997
Ortuño and Arillo 1997 1 specimen
MCNA 5652 (1 measurement)
Insecta - Diptera - Limoniidae
Symplecta (Psiloconopa) penalveri n. sp. Krzemiński and Arillo 2008
Krzemiński and Arillo 2008 1 specimen
MCNA 13519 (1 measurement)
see common names

Geography
Country:Spain
Coordinates: 43.0° North, 2.9° West (view map)
Paleocoordinates:42.9° North, 4.6° West
Basis of coordinate:based on nearby landmark
Geographic resolution:outcrop
Time
Period:Neogene Epoch:Miocene
10 m.y. bin:Cenozoic 5
Key time interval:Early/Lower Miocene
Age range of interval:23.03000 - 15.97000 m.y. ago
Stratigraphy
Stratigraphic resolution:group of beds
Stratigraphy comments: Level with lacustrine carbonate concretions
Lithology and environment
Primary lithology:concretionary lithified claystone
Lithology description: Calcareous concretions in a clay matrix.
Environment:lacustrine indet. Tectonic setting:intermontane basin
Geology comments: Small basin formed between uplifts of the Murguia salt diapir.
Taphonomy
Modes of preservation:mold/impression,concretion
Size of fossils:macrofossils,mesofossils
Collection methods and comments
Reason for describing collection:taxonomic analysis
Collection method comments: Specimens at Museum of Natural Sciences of Álava, Vitoria, Spain.
Metadata
Database number:123306
Authorizer:M. Clapham Enterer:M. Clapham
Modifier:M. Clapham Research group:paleoentomology
Created:2012-01-18 16:14:32 Last modified:2017-11-22 20:46:39
Access level:the public Released:2012-01-18 16:14:32
Creative Commons license:CC BY
Reference information

Primary reference:

39491. A. Arillo and V. M. Ortuño. 1997. First records of the families Anthicidae and Chrysomelidae from the Oligocene of Izarra (Alava, Spain). The Coleopterists Bulletin 51(3):293-297 [M. Clapham/M. Clapham]

Secondary references:

50848 A. Arillo, A. Nel, and V. M. Ortuño. 1996. Two fossil bees from Oligocene of Izarra (Alava, Spain) (Hymenoptera, Apoidea). Bulletin de la Société Entomologique de France 101:59-64 [M. Clapham/M. Clapham/M. Clapham]
63859 A. Arillo and V. M. Ortuño. 1997. The fossil Acrididae from the Oligocene of Izarra (Alava, Spain). The antiquity of gregarious behavior (Orthoptera, Caelifera). Geobios 30:231-234 [M. Clapham/M. Clapham]
39490 W. Krzemiński and A. Arillo. 2008. A new species, Symplecta (Psiloconopa) penalveri n. sp. (Diptera, Limoniidae) from the Miocene of Spain. Alavesia 2:211-213 [M. Clapham/M. Clapham/M. Clapham]
63857 K. S. Nadein and E. E. Perkovsky. 2017. A new tribe of Galerucinae leaf beetle (Insecta: Coleoptera: Chrysomelidae) from the Upper Cretaceous Taimyr amber. Cretaceous Research 84:97-106 [M. Clapham/M. Clapham]
63860 V. Ortuño and A. Arillo. 1997. Nuevos Heteroptera (Insecta) del Mioceno de Izarra (Álava, España). Estudios del Museo de Ciencias Naturales de Álava 12:17-23 [M. Clapham/M. Clapham]
39492 V. M. Ortuño and A. Arillo. 1997. Discovery of the genus Ernobius Thomson (Coleoptera: Anobiidae) from the Oligocene of Izarra, Alava, Spain. The Coleopterists Bulletin 51(1):71-73 [M. Clapham/M. Clapham]
50982 V. M. Ortuño and A. Arillo. 1997. Presencia del género Geocoris en el Oligoceno de Izarra (Alava, España). Descripción de G. monserrati sp. nov. (Heteroptera, Lygaeidae). Nouvelle Revue d'Entomologie, Nouvelle Série 14:359-363 [M. Clapham/M. Clapham]