Anole Issa, Oolitico inferiore (Jurassic to of Somalia)

Where: Somalia (2.0° N, 42.3° E: paleocoordinates 18.8° S, 24.1° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Callovian to Callovian (166.1 - 157.3 Ma)

• "Oolitico inferiore", units a-c

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithology not reported

Size class: macrofossils

Preservation: cast

Primary reference: G. Stefanini. 1939. Molluschi del Giuralias della Somalia, Gasteropodi e Lamellibranchi [Jurassic molluscs from Somalia, gastropods and bivalves]. Palaeontographia Italica 32(4):103-270 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 94519: authorized by Wolfgang Kiessling, entered by Uta Merkel on 25.02.2010, edited by Wolfgang Kiessling

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Arcida - Parallelodontidae
Grammatodon egertonianus Stoliczka 1865 clam
 Pectinida - Propeamussiidae
Variamussium anolense n. sp. Stefanini 1939 mud scallop
 Pectinida - Entoliidae
"Entolium demissum" = Entolium demissus, Entolium disciforme
"Entolium demissum" = Entolium demissus Phillips 1835 scallop
Entolium disciforme Schubler 1833 scallop
 Pectinida - Pectinoidae
Eopecten velatus2 Goldfuss 1833 scallop
Chlamys curvivarians Dietrich 1933 scallop
 Pectinida - Limidae
"Limatula consobrina" = Lima (Limatula) consobrina, "Lima (Plagiostoma) annonii" = Plagiostoma, Lima (Plagiostoma) paolii n. sp., "Lima (Plagiostoma) strigillata" = Limea strigillata, Ctenostreon rugosum
"Limatula consobrina" = Lima (Limatula) consobrina d'Orbigny 1845 file clam
"Lima (Plagiostoma) annonii" = Plagiostoma file clam
Lima (Plagiostoma) paolii n. sp. Stefanini 1939 file clam
"Lima (Plagiostoma) strigillata" = Limea strigillata Brocchi 1814 file clam
Ctenostreon rugosum Smith 1817 file clam
 Pectinida - Plicatulidae
Plicatula cochlear n. sp. Stefanini 1939 scallop
Plicatula cossmanni Cossmann 1887 scallop
and var. major
 Pectinida - Anomiidae
Placunopsis parvula n. sp. Stefanini 1939 scallop
 Pectinida - Pseudomonotidae
Pseudomonotis nigricans n. sp. Stefanini 1939 scallop
 Ostreida - Eligmidae
 Ostreida - Gryphaeidae
"Liostrea dubiensis" = Praeexogyra dubiensis, "Exogyra nana" = Nanogyra (Nanogyra) nana, "Exogyra vinassai" = Nanogyra (Nanogyra) nana
"Liostrea dubiensis" = Praeexogyra dubiensis Contejean 1859 oyster
"Exogyra nana" = Nanogyra (Nanogyra) nana Sowerby 1822 oyster
"Exogyra vinassai" = Nanogyra (Nanogyra) nana Sowerby 1822 oyster
 Ostreida - Ostreidae
 Ostreida - Palaeolophidae
"Arctostrea rastellaris" = Actinostreon gregareum
"Arctostrea rastellaris" = Actinostreon gregareum Sowerby 1816 oyster
 Ostreida - Bakevelliidae
 Mytilida - Mytilidae
Arcomytilus laitmairensis1 de Loriol 1883 mussel
Mytilus jurensis Merian 1836 mussel
 Carditida - Astartidae
Opisoma sp. Stoliczka 1871 clam
Opis sp. Defrance 1824 clam
Astarte minima d'Ossat 1900 clam
Astarte biplicata n. sp. Stefanini 1939 clam
 Pholadida - Corbulidae
Corbula islipensis Lycett 1863 clam
 Pholadida - Ceratomyidae
Ceratomya wimmisensis Gillieron 1886 clam
Gresslya sp. Agassiz 1843 clam
 Megalodontida - Dicerocardiidae
 Megalodontida - Ceratomyopsidae
"Ceromyopsis kiliani" = Ceratomyopsis
"Ceromyopsis kiliani" = Ceratomyopsis clam
 Cardiida - Kalenteridae
? Myoconcha weiri n. sp. Stefanini 1939 clam
 Cardiida - Arcticidae
Cyprina cordiformis n. sp. Stefanini 1939 clam
 Thraciida - Thraciidae
Thracia depressa Sowerby 1823 clam
Thracia viceliacensis d'Orbigny 1850 clam
 Pholadomyida - Pholadomyidae
Pholadomya angustata, Pholadomya carinata, "Pholadomya (Homomya) inornata" = Homomya inornata
Pholadomya carinata Goldfuss 1838 clam
"Pholadomya (Homomya) inornata" = Homomya inornata Sowerby 1837 clam
 Lucinida - Mactromyidae
Mactromya aequalis Agassiz 1843 clam
 Trigoniida - Trigoniidae
Trigonia somaliensis n. sp. Stefanini 1939 clam
Gastropoda
 Architaenioglossa - Ampullinidae
"Ampullina coxi n. sp." = Globularia coxi
"Ampullina coxi n. sp." = Globularia coxi Stefanini 1939 snail
 Sorbeoconcha - Procerithiidae
? Paracerithium sp. Cossmann 1902 snail
 Pleurotomariida - Pleurotomariidae