Fonte Coberta 0.55 m: Early/Lower Toarcian, Portugal
collected by V. Piazza & M. Aberhan

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Gastropoda - Pleurotomariidae
Leptomaria sp. Eudes-Deslongchamps 1864
1 individual
Gastropoda - Aporrhaidae
Pietteia sp. Cossmann 1904
1 individual
Gastropoda - Pseudomelaniidae
Oonia sp.
4 individuals
spelled with current rank as Pseudomelania (Oonia)
Bivalvia - Cardiida - Cardiidae
Protocardia (Protocardia) striatula Sowerby 1829
1 individual
Bivalvia - Carditida - Astartidae
Neocrassina cf. elegans Sowerby 1816
2 individuals
Bivalvia - Arcida - Parallelodontidae
Grammatodon (Grammatodon) concinnus (Phillips 1829)
1 individual
recombined as Grammatodon concinnus
Bivalvia - Pectinida - Limidae
Pseudolimea cf. roemeri (Brauns 1871)
2 individuals
Bivalvia - Pectinida - Plicatulidae
Harpax spinosa Sowerby 1819
1 individual
Bivalvia - Pectinida - Pectinidae
Pseudopecten (Pseudopecten) equivalvis (Sowerby 1816)
2 individuals
Bivalvia - Nuculanida - Nuculanidae
Dacryomya cf. gaveyi
7 individuals
original and current combination Nuculana (Dacryomya)
Bivalvia - Nuculanida - Yoldiidae
Rollieria bronni
1 individual
Bivalvia - Nuculanida - Malletiidae
Palaeoneilo elliptica (Goldfuss 1837)
4 individuals
recombined as Leda elliptica
Rhynchonellata - Spiriferinida - Spiriferinidae
Liospiriferina falloti (Corroy 1927)
1 individual
Rhynchonellata - Rhynchonellida - Norellidae
Nannirhynchia pygmaea (Morris 1847)
3 individuals
Rhynchonellata - Rhynchonellida - Tetrarhynchiidae
Gibbirhynchia cantabrica García Joral and Goy 2009
1 individual
Rhynchonellata - Athyridida - Koninckinidae
Koninckella liasina (Bouchard 1847)
2 individuals
Rhynchonellata - Terebratulida - Lobothyrididae
Lobothyris arcta (Dubar 1931)
7 individuals
Rhynchonellata - Terebratulida - Zeilleriidae
Zeilleria culeiformis Rollier 1919
3 individuals
recombined as Zeilleria (Zeilleria) culeiformis
see common names

Geography
Country:Portugal State/province:Coimbra
Coordinates: 40.1° North, 8.5° West (view map)
Paleocoordinates:30.6° North, 3.9° East
Time
Period:Jurassic Epoch:Early/Lower Jurassic
Stage:Toarcian 10 m.y. bin:Jurassic 3
Key time interval:Early/Lower Toarcian Ammonoid zone: Polymorphum
Age range of interval:184.20000 - 182.90000 m.y. ago
Stratigraphy
Formation:São Gião
Local section:Fonte Coberta Local bed:0.55 m
Local order:bottom to top
Stratigraphic resolution:bed
Stratigraphy comments: Mirabile Subzone
Lithology and environment
Primary lithology: lithified argillaceous "limestone"
Environment:offshore ramp
Taphonomy
Modes of preservation:body,mold/impression
Size of fossils:macrofossils,mesofossils
Collection methods and comments
Collection methods:bulk,field collection
Reason for describing collection:paleoecologic analysis
Collectors:V. Piazza & M. Aberhan
Metadata
Database number:211004
Authorizer:M. Aberhan Enterer:V. Piazza
Modifier:V. Piazza Research group:marine invertebrate
Created:2020-06-23 08:04:45 Last modified:2020-06-24 07:18:19
Access level:the public Released:2020-06-23 08:04:45
Creative Commons license:CC BY
Reference information

Primary reference:
72837. V. Piazza, L.V. Duarte, J. Renaudie and M. Aberhan. 2019. Reductions in body size of benthic macroinvertebrates as a precursor of the early Toarcian (Early Jurassic) extinction event in the Lusitanian Basin, Portugal. Paleobiology 45(2):296-316 [M. Aberhan/V. Piazza]