Cadeuil subunit A1, horizon A1c (Cretaceous of France)

Also known as Cadeuil Amber

Where: Charente-Maritime, France (45.8° N, 0.9° W: paleocoordinates 34.5° N, 1.1° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Early/Lower Cenomanian (99.6 - 93.5 Ma)

• bed-level stratigraphic resolution

Environment/lithology: estuary or bay; coarse-grained sandstone and amber

• Section A1 is of brackish to coastal marine origin. A1c has cross beddings that correspond to "a succession of channels".
• "the third horizon (A1c) consists in a hard and coarse sandstone with metric cross beddings... This horizon locally includes lignite and amber" - Neraudeau et al (2008)

Size classes: mesofossils, microfossils

Preservation: soft parts, amber

Reposited in the MNHN

• Amber also stored in Department of Geosciences at the University of Rennes

Primary reference: D. Azar, A. Tahchy, and V. Perrichot. 2007. The oldest Sycoracinae (Diptera: Psychodidae) from the French Cretaceous Amber. Alavesia 1:5-10 [M. Clapham/J. Karr]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 107076: authorized by Matthew Clapham, entered by Jered Karr on 01.04.2011, edited by Matthew Clapham and Terri Cleary

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Insecta
 Hemiptera -
Fulgoroidea indet.2 Latreille 1807 planthopper
 Hemiptera - Tingidae
Ambarcader eugenei n. gen. n. sp.5
Ambarcader eugenei n. gen. n. sp.5 Perrichot et al. 2006 lace bug
MNHN Cdl 2.28
 Dicondylia -
Thysanoptera indet.2 Haliday 1836 thrips
"Psocoptera indet." = Psocodea2 booklice
Blattaria indet.2 Latreille 1810 cockroach
Hymenoptera indet.2 Linnaeus 1758 winged insect
 Hymenoptera - Scolebythidae
Scolebythidae indet.2 Evans 1963 wasp
 Hymenoptera - Braconidae
Braconidae indet.2 Nees 1811 wasp
Aenigmabracon capdoliensis n. gen. n. sp.4 Perrichot et al. 2009 wasp
MNHN CDL 2.30
Protorhyssalodes arnaudi n. gen. n. sp.4 Perrichot et al. 2009 wasp
MNHN CDL 2.4
 Hymenoptera -
Chalcidoidea indet.2 chalcid wasp
 Hymenoptera - Platygastridae
Platygastridae indet.2 Haliday 1833 wasp
 Hymenoptera - Maimetshidae
Guyotemaimetsha enigmatica6 Perrichot et al. 2004 wasp
IGR.CDL-2.5, 2.16, 2.33
 Hymenoptera - Megalyridae
Megalyridae indet.2 Schletterer 1890 wasp
Megazar elegans n. gen. n. sp.3 Perrichot 2009 wasp
MNHN-CDL-2.11
 Dicondylia -
Coleoptera indet.2 Linnaeus 1758 beetle
 Diptera - Chironomidae
Chironomidae indet.2 Macquart 1838 non biting midge
 Diptera - Ceratopogonidae
Ceratopogonidae indet.2 Newman 1834 biting midge
 Diptera -
Brachycera indet.2 Zetterstedt 1842 fly
Nematocera indet.2 Latreille 1825 fly
 Diptera - Scatopsidae
Ectaetia capdoliensis n. sp.1 Fate et al. 2013 minute black scavenger fly
IGR.CDL-7
 Diptera - Psychodidae
Sycorax neli n. sp.
Sycorax neli n. sp. Azar et al. 2007 moth fly
 Dicondylia -
Lepidoptera indet.2 Linnaeus 1758 moth
Arachnida
 Acari -
Acari indet.2 Leach 1817 mite
Reptilia
 Squamata - Dolichosauridae
Simoliophis rochebrunei7 Sauvage 1880 squamates
MA CDL 13-16, vertebrae
Pinopsida
 Pinales - Podocarpaceae
Podocarpoxylon sp.2 Gothan 1905
 Pinales - Cheirolepidiaceae
Brachyoxylon sp.2 Hollick and Jeffrey 1909