Arham Amellal, Morocco (Miocene of Morocco)

Also known as Reef 3252

Where: Morocco (33.7° N, 4.5° W: paleocoordinates 33.6° N, 4.7° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Messinian (7.2 - 5.3 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: reef, buildup or bioherm; lithified framestone and poorly lithified sandstone

• 4 m thick coral reef on channelized sandstones

Size class: macrofossils

Collection methods: bulk, mechanical,

• Bryozoans very abundant (up to 560 colonies per kg of rock). Those are quantified as follows: very rare - rare - common (present) - abundant - very abundant

Primary reference: P. Moissette and J.-P. Martin. 1995. Bryozoaires des milieux récifaux miocénes du sillon sud-rifain au Maroc. Lethaia 28:271-283 [W. Kiessling/W. Kiessling/W. Kiessling]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 34724: authorized by Wolfgang Kiessling, entered by Wolfgang Kiessling on 17.09.2003

Creative Commons license: CC BY (attribution)

Taxonomic list

• Foraminifers excluded
Malacostraca
 Decapoda -
Daira speciosa Reuss 1871 crab
Ostracoda
 Podocopida -
 Podocopida - Xestoleberididae
 Podocopida - Loxoconchidae
Loxoconcha sp. Sars 1866 ostracod
 Podocopida -
Mutilus sp. ostracod
Maxillopoda
 Sessilia - Pyrgomatidae
 Sessilia - Balanidae
Balanus sp. Da Costa 1778 barnacle
Polychaeta
 Sabellida - Serpulidae
Serpulidae indet. Rafinesque 1835
Bivalvia
 Arcida - Arcidae
Acar clathrata miniature ark
 Pectinida - Pectinoidae
Spondylus sp. Linnaeus 1758 scallop
"Chlamys pusio" = Talochlamys pusio Linnaeus 1758 scallop
Chlamys sp. Röding 1798 scallop
 Ostreida - Ostreidae
Ostrea sp. Linnaeus 1758 oyster
 Mytilida - Mytilidae
Lithophaga lithophaga Linnaeus 1758 mussel
 Pholadida - Pholadidae
"Jouannetia tournoueri" = Jouannetia (Jouannetia) tournoueri
"Jouannetia tournoueri" = Jouannetia (Jouannetia) tournoueri Locard 1877 clam
Gastropoda
 Triphoroidea - Triforidae
 Neogastropoda - Olividae
Oliva sp. Bruguière 1789 olive snail
 Neogastropoda - Nassariidae
Nassarius sp. Duméril 1806 snail
 Neogastropoda - Cancellariidae
Cancellaria sp. Lamarck 1799 snail
 Neogastropoda - Conidae
Conus sp. Linnaeus 1758 cone shell
Conus sp. 1 to 2
 Velutinoidea - Triviidae
Trivia sp. Broderip 1837 snail
 Naticoidea - Naticidae
Naticidae indet. Guilding 1834 moon snail
 Cypraeoidea - Cypraeidae
Cypraea sp. Linnaeus 1758 cowry
 Rissooidea - Rissoidae
Alvania sp. Risso 1826 snail
Alvania sp. 1 to 3
Rissoina cf. bruguieri Payraudeau 1826 snail
 Sorbeoconcha - Turritellidae
 Turbinoidea - Turbinidae
Astraea sp. Röding 1798 snail
Gymnolaemata
 Cheilostomata - Quadricellariidae
"Nellia oculata" = Nellia tenella
"Nellia oculata" = Nellia tenella Lamarck 1816
 Cheilostomata - Umbonulidae
"Metrarabdotos helveticum" = Trigonopora monilifera helvetica
"Metrarabdotos helveticum" = Trigonopora monilifera helvetica Roger and Buge 1947
 Cheilostomata - Epistomiidae
 Cheilostomata - Trypostegidae
Trypostega venusta Norman 1864
 Cheilostomata - Romancheinidae
Escharoides coccinea Abildgaard 1806
 Cheilostomata - Cribrilinidae
 Cheilostomata - Microporellidae
 Cheilostomata - Schizoporellidae
"Herentia montenati" = Therenia montenati
"Herentia montenati" = Therenia montenati Pouyet 1976
 Cheilostomata - Phidoloporidae
"Sertella cellulosa" = Reteporella cellulosa Linnaeus 1767
Hippoporella pauper Reuss 1874
Schizotheca fissa Busk 1856
 Cheilostomata - Celleporidae
 Cheilostomata - Smittinidae
Smittoidea reticulata MacGillivray 1842
"Porella cervicornis" = Smittina cervicornis Pallas 1766
 Cheilostomata - Candidae
 Cheilostomata - Cellariidae
 Cheilostomata - Steginoporellidae
 Cheilostomata - Onychocellidae
 Cheilostomata - Microporidae
Calpensia nobilis Esper 1796
 Cheilostomata - Chlidoniidae
 Cheilostomata - Exechonellidae
 Cheilostomata - Escharinidae
Escharina dutertrei, "Scrupocellaria elliptica" = Bactridium ellipticum
Escharina dutertrei Audouin 1828
"Scrupocellaria elliptica" = Bactridium ellipticum Reuss 1848
 Cheilostomata - Hippoporidridae
"Hippopodinella lata" = Odontoporella
"Hippopodinella lata" = Odontoporella
 Cheilostomata - Savignyellidae
Stenolaemata
 Cyclostomata - Diaperoeciidae
 Cyclostomata - Plagioeciidae
 Cyclostomata - Entalophoridae
Mecynoecia sp.
very rare to very abundant
 Cyclostomata - Tubuliporidae
 Cyclostomata - Frondiporidae
 Cyclostomata - Horneridae
Hornera frondiculata MacGillivray 1895
 Cyclostomata - Lichenoporidae
 Cyclostomata -
 Cyclostomatida - Crisiidae
 Cyclostomatida - Annectocymidae
Ophiuroidea
 Ophiurida -
Ophiurida indet. Müller and Troschel 1840 brittle star
Echinoidea
  -
Echinoidea indet. Leske 1778 sea urchin
Anthozoa
 Zoantharia -
Scleractinia indet. Bourne 1900 stony coral
indicated as Favosites aff. neugeboreni
 Scleractinia - Poritidae
Porites sp. Link 1807 stony coral
 Scleractinia - Siderastreidae
Siderastrea cf. miocenica Osasco 1896 stony coral
 Scleractinia - Faviidae
Tarbellastraea reussiana Milne-Edwards and Haime 1850 stony coral