Alrota, Pteroceriano Formation, coral marls, Lisboa (Jurassic of Portugal)

Where: Portugal (38.9° N, 9.1° W)

• Paleocoordinates: 23.7° N, 7.6° E (Wright 2013)

• coordinate based on nearby landmark

• local area-level geographic resolution

When: upper Member (Pteroceriano Formation), Tithonian (149.2 - 143.1 Ma)

• "Alrota Limestones"

• group of beds-level stratigraphic resolution

Environment/lithology: shallow subtidal; lithified marl

• coral marls

Size class: macrofossils

Primary reference: R. R. Leinfelder. 1986. Facies, stratigraphy and paleogeographic analysis of Upper? Kimmeridgian to Upper Portlandian sediments in the environs of Arruda dos Vinhos, Estremadura, Portugal. Muenchner Geowissenschaftliche Abhandlungen, A 7:1-215 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 68239: authorized by Wolfgang Kiessling, entered by Uta Merkel on 10.01.2007

Creative Commons license: CC0 (CC0)

Taxonomic list

Show authors, comments, and common names
Bivalvia
 Ostreida - Pteriidae
Pteroperna sp.
Pteroperna sp. Lycett 1850 pearl oyster
 Ostreida - Malleidae
Isognomon (Rostroperna) sp.
Isognomon (Rostroperna) sp. Lightfoot 1786 oyster
 Ostreida - Gryphaeidae
"Nanogyra nana" = Nanogyra (Nanogyra) nana, Praeexogyra pustulosa
"Nanogyra nana" = Nanogyra (Nanogyra) nana Sowerby 1822 oyster
 Pectinida - Anomiidae
Anomia sp.
Anomia sp. Linnaeus 1758 jingle
 Pectinida - Limidae
Plagiostoma sp.
Plagiostoma sp. Sowerby 1814 file clam
 Mytilida - Mytilidae
Lithophaga sp.
Lithophaga sp. Röding 1798 mussel
 Trigoniida - Myophorelloidae
"Myophorella lusitanica" = Myophorella (Myophorella) lusitanica
"Myophorella lusitanica" = Myophorella (Myophorella) lusitanica Sharpe 1900 clam
Bryozoa
  -
Bryozoa indet.
Bryozoa indet. Ehrenberg 1831
Sedentaria
 Sabellida - Serpulidae
Serpulidae indet.
Serpulidae indet. Rafinesque 1835
Echinoidea
 Euechinoidea - Hemicidaridae
Pseudocidaris lusitanicus
 Cidaroida -
Cidaroida indet.
Cidaroida indet. Claus 1880 pencil urchin
unclassified
  -
Porifera indet.
Porifera indet. Grant 1836
Anthozoa
 Scleractinia - Amphiastreidae
Amphiastrea gregoryi, Amphiastrea piriformis
Amphiastrea piriformis Gregory 1900 stony coral
 Scleractinia - Axosmiliidae
Axosmilia cf. cuneata, ? Axosmilia (Blastosmilia) sp., Axosmilia carrapateirensis, Axosmilia caudata, Axosmilia cf. corallina, Axosmilia crassa
? Axosmilia (Blastosmilia) sp. Milne-Edwards and Haime 1848 stony coral
Axosmilia carrapateirensis Koby 1904 stony coral
Axosmilia caudata Quenstedt 1881 stony coral
Axosmilia cf. corallina Étallon 1859 stony coral
Axosmilia crassa Milaschewitsch 1876 stony coral
 Scleractinia -
Polyphylloseris (Crateroseris) bellis
 Scleractinia - Solenocoeniidae
"Stylina (Convexastrea) sexradiata" = Solenocoenia sexradiata
"Stylina (Convexastrea) sexradiata" = Solenocoenia sexradiata Goldfuss 1826 stony coral
 Scleractinia - Thamnasteriidae
Thamnasteria lobata, Thamnasteria gracilis
Thamnasteria lobata Goldfuss 1826 stony coral
Thamnasteria gracilis Muenster 1829 stony coral
 Scleractinia - Cyathophoridae
Cyathophora cesaredensis, Cyathophora bourgueti
Cyathophora cesaredensis Koby 1904 stony coral
Cyathophora bourgueti Defrance 1826 stony coral
 Scleractinia - Stylinidae
Stylina (Heliocoenia) choffati, Stylina girodi, Stylina aff. deluci, ? Stylina delabechii, Stylina tubulosa, Stylina (Convexastrea) stellata, Stylina (Convexastrea) lobata
Stylina girodi Étallon 1859 stony coral
Stylina aff. deluci Milne-Edwards and Haime 1860 stony coral
? Stylina delabechii Milne-Edwards and Haime 1851 stony coral
Stylina tubulosa Muenster 1829 stony coral
Stylina (Convexastrea) stellata Etallon and Thurmann 1864 stony coral
Stylina (Convexastrea) lobata Muenster 1829 stony coral
 Scleractinia - Actinastreidae
"Actinastrea ramulifera" = Stephanastrea ramulifera, Actinastrea ex gr. crassa, Actinastrea trochiformis
"Actinastrea ramulifera" = Stephanastrea ramulifera Etallon and Thurmann 1864 stony coral
Actinastrea trochiformis Michelin 1844 stony coral
 Scleractinia - Latomeandridae
Ovalastrea gemmata, Ovalastrea sp., Ovalastrea cf. lobata, Ovalastrea cf. plicata, "Thamnasteria pseudarachnoides" = Fungiastraea pseudarachnoides, Microphyllia davidsoni
Ovalastrea gemmata stony coral
Ovalastrea sp. D'Orbigny 1849 stony coral
Ovalastrea cf. lobata Koby 1884 stony coral
Ovalastrea cf. plicata Koby 1904 stony coral
"Thamnasteria pseudarachnoides" = Fungiastraea pseudarachnoides Becker 1875 stony coral
Microphyllia davidsoni Milne-Edwards and Haime 1851 stony coral
 Scleractinia - Comoseridae
Comoseris meandrinoides, "Meandrophyllia (Latimaeandraraea) helvelloides" = Comoseris helvelloides, Microsolena agariciformis
Comoseris meandrinoides Michelin 1843 stony coral
"Meandrophyllia (Latimaeandraraea) helvelloides" = Comoseris helvelloides Koby 1904 stony coral
Microsolena agariciformis Étallon 1859 stony coral
 Scleractinia - Thecosmiliidae
Montlivaltia obconica
Montlivaltia obconica Muenster 1829 stony coral
 Scleractinia - Calamophylliidae
"Calamophyllia" (Calamoseris) variabilis
 Scleractinia - Dermosmiliidae
? Dermosmilia sp., ? Dermosmilia capitata, ""Calamophyllia" crassa" = Calamophylliopsis crassa, ""Calamophyllia" (Calamoseris) flabellum" = Calamophylliopsis flabellum
? Dermosmilia sp. Koby 1884 stony coral
? Dermosmilia capitata Koby 1904 stony coral
""Calamophyllia" crassa" = Calamophylliopsis crassa Koby 1884 stony coral
""Calamophyllia" (Calamoseris) flabellum" = Calamophylliopsis flabellum de Blainville 1830 stony coral
 Scleractinia - Haplaraeidae
Meandrophyllia (Meandrarea) bonanomii