Where: Morocco (32.3° N, 9.3° W: paleocoordinates 32.3° N, 9.2° W)
• coordinate estimated from map
• local area-level geographic resolution
When: Middle Pleistocene (0.8 - 0.1 Ma)
• layer J; Tyrrhenian
•It seems from Texier et al., 2002 (Quaternaire vol. 13) that this level was subsequently destroyed by continued quarry excavation. My interpretation from this publication and Roberts et al. 2006 (in Quat. Science Reviews) is that layer J is around or older than 500,000 yrs old. Occhietti et al (2002; Quaternaire) performed amino acid racemization on Patella from museum collections of layer J, and while these analyses yielded very low concentrations, they suggest this layer is Stage 15. Stearns (1978; GSA Bulletin) correlates to Stage 17.
• bed-level stratigraphic resolution
Environment/lithology: coastal; grainstone
Size class: macrofossils
Primary reference: G. Lecointre. 1952. Recherches sur le Neogene et le Quaternaire marins de la cote Atlantique du Maroc. Publications du Service geologique du Maroc 99(1,2):1-174 [J. Sessa/J. Sessa/S. Ávila]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 127581: authorized by Jocelyn Sessa, entered by Jocelyn Sessa on 18.05.2012
Creative Commons license: CC BY (attribution)
Taxonomic list
unclassified | |
Scaphopoda | |
Dentalium sp. Linnaeus 1758 tusk shell | |
Cephalopoda | |
Spirula spirula ram's horn shell | |
Gastropoda | |
"Scala communis" = Epitonium (Scala), "Scala crenata" = Epitonium (Scala)
"Scala communis" = Epitonium (Scala) wentletrap
"Scala crenata" = Epitonium (Scala) wentletrap | |
"Calyptra (Trochatella) trochiformis" = Calyptraea (Trochita) trochiformis, Crepidula sulin
"Calyptra (Trochatella) trochiformis" = Calyptraea (Trochita) trochiformis Gmelin 1791 slipper shell
Crepidula sulin slipper shell | |
Fossarus costatus snail
Fossarus ambiguus Linnaeus 1758 snail | |
Bittium latreillei cerith snail
Bittium reticulatum da Costa 1778 cerith snail | |
Turritella decipiens turret shell
Turritella communis Risso 1826 turret shell
"Turritella (Haustator) triplicata" = Haustator turret shell | |
Natica marochiensis Gmelin 1791 moon snail | |
Triphora perversa Linnaeus 1758 snail | |
Littorina littorea periwinkle
Littorina (Melaraphe) neritoides Linnaeus 1758 periwinkle | |
"Rissoa (Alvania) lineata" = Alvania, Rissoa (Alvania) cancellata
"Rissoa (Alvania) lineata" = Alvania snail
Rissoa (Alvania) cancellata da Costa 1778 snail | |
Vermetus granulatus worm shell
Vermetus triqueter worm shell | |
"Cymatium cutaceum" = Linatella caudata Gmelin 1791 triton shell
Cymatium nodiferum triton shell
Cymatium corrugatim triton shell | |
"Trivia europaea" = Trivia (Trivia) europaea
"Trivia europaea" = Trivia (Trivia) europaea Montfort 1808 snail | |
Nassa reticulata, Nassa vaucheri, Nassa ferussaci, Nassa pygmea, Nassa (Amycla) pfeifferi, Chauvetia candida, Chauvetia pellisphocae
Nassa reticulata true whelk
Nassa ferussaci true whelk
Nassa pygmea true whelk
Nassa (Amycla) pfeifferi true whelk
Chauvetia candida true whelk
Chauvetia pellisphocae true whelk | |
"Nassa incrassata" = Nassarius incrassatus, "Nassa (Arcularia) gibbosula" = Nassarius (Arcularia), "Nassa (Arcularia) circumcincta" = Nassarius (Arcularia), "Nassa (Arcularia) granum" = Nassarius (Arcularia), Fusus sp.
"Nassa incrassata" = Nassarius incrassatus Müller 1773 snail subspecies "N. incrassata var. senegalensis"
"Nassa (Arcularia) gibbosula" = Nassarius (Arcularia) snail
"Nassa (Arcularia) circumcincta" = Nassarius (Arcularia) snail
"Nassa (Arcularia) granum" = Nassarius (Arcularia) snail
Fusus sp. Bruguière 1789 snail | |
"Columbella (Mitrella) gervillei" = Mitrella
"Columbella (Mitrella) gervillei" = Mitrella snail | |
Marginella oryza margin shell
Marginella epigrus margin shell
Marginella carneola margin shell
Marginella olivaeformis margin shell | |
Murex (Tritonalia) decussata, Murex (Tritonalia) corallina, Murex (Tritonalia) aciculata, Murex (Tritonalia) pallaryi, "Purpura (Acanthina) crassilabrum" = Crassilabrum crassilabrum, "Purpura lapillus" = Nucella lapillus
Murex (Tritonalia) decussata murex snail
Murex (Tritonalia) corallina murex snail
Murex (Tritonalia) aciculata murex snail
Murex (Tritonalia) pallaryi murex snail
"Purpura (Acanthina) crassilabrum" = Crassilabrum crassilabrum Sowerby 1834 murex snail subspecies "P. (Acanthina) crassilabrum var. costata"
"Purpura lapillus" = Nucella lapillus Linnaeus 1758 murex snail | |
Mangelia nebula Montagu 1803 snail | |
Aporrhais sp. da Costa 1778 snail | |
Turbonilla lactea snail | |
"Melampus pyramidalis" = Ellobium pyramidale
"Melampus pyramidalis" = Ellobium pyramidale Sowerby 1822 snail | |
Trochus (Calliostoma) granulatim, "Solarium fallaciosum" = Trochus (Solarium)
Trochus (Calliostoma) granulatim top snail
"Solarium fallaciosum" = Trochus (Solarium) top snail | |
Phasianella pullus snail | |
Fissurella reticulata snail
Fissurella nubecula snail
"Fissurella gibberula" = Diodora gibberula Lamarck 1822 snail | |
Patella lusitanica limpet
Patella vulgata Linnaeus 1758 limpet
Patella intermedia Murray 1857 limpet | |
Bivalvia | |
Tellina pulchella Lamarck 1818 tellin clam | |
"Cardium (Laevicardium) norvegium" = Laevicardium, "Cardium (Parvicardium) exiguum" = Parvicardium exiguum
"Cardium (Laevicardium) norvegium" = Laevicardium cockle
"Cardium (Parvicardium) exiguum" = Parvicardium exiguum Gmelin 1791 cockle | |
"Cardita calyculata" = Cardita (Cardita) calyculata
"Cardita calyculata" = Cardita (Cardita) calyculata Linnaeus 1758 clam | |
Mytilus edulis Linnaeus 1758 mussel
Mytilus galloprovincialis Lamarck 1819 mussel | |
Pecten jacobaeus, "Chlamys varia" = Chlamys (Chlamys) varia
Pecten jacobaeus scallop
"Chlamys varia" = Chlamys (Chlamys) varia Linnaeus 1758 scallop | |
Lima subauriculata Montagu 1808 file clam | |
Arca (Fossularca) lactea Linnaeus 1767 ark | |
"Pectunculus glycimeris" = Glycymeris
"Pectunculus glycimeris" = Glycymeris clam | |
"Arca tetragona" = Tetrarca tetragona
"Arca tetragona" = Tetrarca tetragona Poli 1795 clam | |
Malacostraca | |
Carcinus moenas crab | |
Thecostraca | |
Balanus crenatus Bruguière 1789 barnacle |