Ile Makamby (Miocene of Madagascar)

Also known as Nosy Makamby, Makamba

Where: Madagascar (15.7° S, 45.9° E: paleocoordinates 16.0° S, 45.6° E)

• coordinate estimated from map

When: Tortonian (11.6 - 7.2 Ma)

• lower terrigenous unit and upper nummulitic marl

•Early late Miocene, about 10 Ma, or early Tortonian. For this locality, Ramihangihajason et al. (2014; see their Fig. 4, numbers 8, 15, 24) reported foraminiferal taxa and ages including: Ammonia cf. beccarii (early Miocene to Holocene), Alveolinella sp. (middle Miocene to Ho- locene), and Lepidocyclina sp. (Eocene– early Miocene).

Environment/lithology: coastal; marl

Size classes: macrofossils, mesofossils

Preservation: original phosphate

Collected by Perrier de la Bathie, Collignon & Cottereau, Lavocat in 1920s, 1954

Collection methods: surface (float), surface (in situ),

Primary reference: M. Collignon and J. Cottreau. 1927. Paleontologie de Madagascar. XIV. Fossiles du Miocene Marine. Annales de Paleontologie 16:135-171 [M. Uhen/M. Uhen]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 51586: authorized by Mark Uhen, entered by Mark Uhen on 08.06.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

 Decapoda - Portunidae
Achelous sp. De Haan 1833 swimming crab
 Sessilia - Balanidae
"Balanus concavus" = Concavus concavus
"Balanus concavus" = Concavus concavus Bronn 1831 barnacle
 Pectinida - Pectinoidae
Spondylus gaederopus, Flabellipecten waterloti n. sp., "Pecten (Chlamys) raulinia" = Chlamys, "Pecten (Chlamys) cf. varius" = Chlamys (Chlamys) varia, "Pecten (Chlamys) cf. multistriatus" = Crassadoma multistriata
Spondylus gaederopus Linnaeus 1758 scallop
Flabellipecten waterloti n. sp. scallop
"Pecten (Chlamys) raulinia" = Chlamys scallop
var. makambyensis
"Pecten (Chlamys) cf. varius" = Chlamys (Chlamys) varia Linnaeus 1758 scallop
"Pecten (Chlamys) cf. multistriatus" = Crassadoma multistriata Poli 1795 scallop
 Ostreida - Gryphaeidae
"Ostrea virleti" = Hyotissa virleti
"Ostrea virleti" = Hyotissa virleti Deshayes 1832 oyster
 Ostreida - Ostreidae
"Ostrea (Crossostrea) gryphoides" = Crassostrea gryphoides Schlotheim 1813 oyster
var. gingensis
 Mytilida - Mytilidae
"Lithodomus sp." = Lithophaga
"Lithodomus sp." = Lithophaga Röding 1798 mussel
 Pholadida - Teredinidae
"Cyphus arenarius" = Kuphus
"Cyphus arenarius" = Kuphus clam
 Cardiida - Tellinidae
 Lucinida - Lucinidae
Lucina globulosa, "Lucina (Miltha) multilamellata" = Miltha
"Lucina (Miltha) multilamellata" = Miltha clam
 Sorbeoconcha - Potamididae
"Cerithium margaritaceum" = Mesohalina margaritaceus
"Cerithium margaritaceum" = Mesohalina margaritaceus Brocchi 1814 horn snail
 Sorbeoconcha - Cerithiidae
 Nautilida - Aturiidae
Aturia aturi Basterot 1825 nautiloid
 Cheilostomata - Lepraliellidae
"Holoporella sp." = Celleporaria
"Holoporella sp." = Celleporaria Lamouroux 1821
 Myliobatiformes - Myliobatidae
Myliobatis sp. Cuvier 1816 eagle ray
 Lamniformes - Otodontidae
"Carcharodon megalodon" = Otodus megalodon
"Carcharodon megalodon" = Otodus megalodon Agassiz 1843 megalodon
most likely it is C. chubutensis, as the description reports the presence of lateral cusplets, which is a characteristic of C. chubutensis and the early Miocene (see Pimiento et al. 2013 [secondary ref])
 Lamniformes - Odontaspididae
Odontaspis sp. Agassiz 1843 sand tiger shark
 Carchariniformes - Carcharhinidae
"Carcharias (Prionodon) sp." = Prionace, "Carcharias (Aprionodon) sp." = Aprionodon, Galeocerdo aduncus
"Carcharias (Prionodon) sp." = Prionace Cantor 1849 blue shark
"Carcharias (Aprionodon) sp." = Aprionodon Gill 1861 requiem shark
Galeocerdo aduncus Agassiz 1843 tiger shark
 Carchariniformes - Sphyrnidae
Sphyrna prisca Agassiz 1843 hammerhead shark
 Carchariniformes - Hemigaleidae
"Hemipristis serra" = Hemipristis heteropleurus
"Hemipristis serra" = Hemipristis heteropleurus Agassiz 1844 ground shark
 Scombriformes - Scombridae
Cybium sp. Cuvier 1829
 Testudines -
"Chelonia indet." = Testudines
"Chelonia indet." = Testudines Batsch 1788 turtle
 Loricata -
Crocodylia indet. crocodilian
 Sirenia - Dugongidae
Dugongidae indet.3 Gray 1821 dugong
Norosiren zazavavindrano n. gen. n. sp.1 Samonds et al. 2019 dugong
Rytiodus heali1 Domning 2011 dugong
 Cetacea -
Odontoceti indet.2 Flower 1867 toothed whale
 Temnopleuroida -
Prionechinus sp. sea urchin
 Camarodonta - Temnopleuridae
 Spatangoida - Schizasteridae
"Schizaster (Aplospatangus) howa" = Schizaster
"Schizaster (Aplospatangus) howa" = Schizaster heart urchin
 Clypeasteroida - Fibulariidae
 Scleractinia - Poritidae
Alveopora gracilis, Porites waterloti, "Litharaea makambyensis n. sp." = Goniopora
Alveopora gracilis stony coral
Porites waterloti stony coral
"Litharaea makambyensis n. sp." = Goniopora stony coral
 Scleractinia - Acroporidae
 Scleractinia - Oculinidae
"Astrohelia boulei n. sp." = Astrhelia
"Astrohelia boulei n. sp." = Astrhelia stony coral
  - Miogypsinidae