Ile Makamby: Tortonian, Madagascar
collected by Perrier de la Bathie, Collignon & Cottereau, Lavocat 1920, 1954

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
Tetrodiscus biforis
Prometalia spatagus
Globothalamea - Rotaliida - Miogypsinidae
Miogypsina irregularis
Anthozoa - Scleractinia - Oculinidae
Astrohelia boulei n. sp.
synonym of Astrhelia
Anthozoa - Scleractinia - Poritidae
Porites waterloti
Litharaea makambyensis n. sp.
synonym of Goniopora
Anthozoa - Scleractinia - Acroporidae
Alveopora gracilis
Dendracis meridionalis
Thecostraca - Balanomorpha - Balanidae
Balanus concavus Bronn 1831
recombined as Concavus concavus
Malacostraca - Decapoda - Portunidae
Achelous sp. De Haan 1833
Gymnolaemata - Cheilostomata - Lepraliellidae
Holoporella sp. Waters 1909
synonym of Celleporaria
Bivalvia - Mytilida - Mytilidae
Lithodomus sp. Cuvier 1817
synonym of Lithophaga
Bivalvia - Ostreida - Gryphaeidae
Ostrea virleti Deshayes 1832
recombined as Hyotissa virleti
Bivalvia - Ostreida - Ostreidae
Ostrea aff. duvergieri
Ostrea aff. sallomacensis
Ostrea (Crossostrea) gryphoides (Schlotheim 1813)
recombined as Crassostrea gryphoides
var. gingensis
Bivalvia - Pectinida - Spondylidae
Spondylus gaederopus Linnaeus 1758
Bivalvia - Pectinida - Pectinidae
Pecten (Chlamys) raulinia
original and current combination Chlamys
var. makambyensis
Pecten (Chlamys) cf. varius (Linnaeus 1758)
recombined as Chlamys (Chlamys) varia
Pecten (Chlamys) cf. multistriatus (Poli 1795)
recombined as Talochlamys multistriata
Flabellipecten waterloti n. sp.
Bivalvia - Cardiida - Tellinidae
Tellina cf. aquitanica
Bivalvia - Pholadida - Teredinidae
Cyphus arenarius
original and current combination Kuphus
Bivalvia - Lucinida - Lucinidae
Lucina (Miltha) multilamellata
spelled with current rank as Miltha
Lucina globulosa
Gastropoda - Potamididae
Cerithium margaritaceum (Brocchi 1814)
recombined as Mesohalina margaritaceus
Gastropoda - Cerithiidae
Cerithium disjunctum
Cephalopoda - Nautilida - Aturiidae
Aturia aturi (Basterot 1825)
Reptilia - Crocodylia
Crocodylia indet. (Owen 1842)
Reptilia - Testudines
Chelonia indet. (Latreille 1800)
synonym of Testudines
Mammalia - Sirenia - Dugongidae
Halitherium sp. Kaup 1838
1 specimen
    = Dugongidae indet. Gray 1821
Savage and Tewari 1977
Norosiren zazavavindrano n. gen., n. sp. Samonds et al. 2019
Samonds et al. 2019 1 specimen
Rytiodus heali Domning 2011
Samonds et al. 2019
Mammalia - Cetacea
Odontoceti indet. Flower 1867
Samonds and Fordyce 2019
Actinopteri - Scombriformes - Scombridae
Cybium sp. Cuvier 1829
Chondrichthyes - Heterodontiformes - Heterodontidae
Sphyrna prisca Agassiz 1843
recombined as Cestracion prisca
Chondrichthyes - Carcharhiniformes - Hemigaleidae
Hemipristis serra Agassiz 1835
Chondrichthyes - Carcharhiniformes - Galeocerdidae
Galeocerdo aduncus (Agassiz 1835)
Chondrichthyes - Carcharhiniformes - Carcharhinidae
Carcharias (Prionodon) sp. Müller and Henle 1841
replaced by Prionace
Carcharias (Aprionodon) sp. (Gill 1861)
original and current combination Aprionodon
Chondrichthyes - Lamniformes - Odontaspididae
Odontaspis sp. Agassiz 1838
Chondrichthyes - Lamniformes - Otodontidae
Carcharodon megalodon (Agassiz 1835)
recombined as Otodus 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])
Chondrichthyes - Myliobatiformes - Myliobatidae
Myliobatis sp. Cuvier 1816
Echinoidea - Clypeasteroida - Fibulariidae
Echinocyamus voeltzkowi
Echinoidea - Spatangoida - Schizasteridae
Schizaster (Aplospatangus) howa
synonym of Schizaster
Echinoidea - Camarodonta - Temnopleuridae
Opechinus hookeri
Prionechinus sp.
see common names

Geography
Country:Madagascar
Coordinates: 15.7° South, 45.9° East (view map)
Paleocoordinates:16.0° South, 45.6° East
Basis of coordinate:estimated from map
Time
Period:Neogene Epoch:Miocene
Stage:Tortonian 10 m.y. bin:Cenozoic 6
Key time interval:Tortonian
Age range of interval:11.62000 - 7.24600 m.y. ago
Stratigraphy
Stratigraphy comments: 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).
Lithology and environment
Primary lithology: marl
Includes fossils?Y
Environment:coastal indet.
Taphonomy
Modes of preservation:body,original phosphate
Size of fossils:macrofossils,mesofossils
Fragmentation:frequent
Spatial resolution:parautochthonous
Collection methods and comments
Collection methods:surface (float),surface (in situ),field collection
Reason for describing collection:general faunal/floral analysis
Collectors:Perrier de la Bathie, Collignon & Cottereau, Lavocat Collection dates:1920s, 1954
Metadata
Also known as:Nosy Makamby, Makamba
Database number:51586
Authorizer:M. Uhen Enterer:M. Uhen
Modifier:M. Uhen Research group:vertebrate
Created:2005-06-08 12:27:27 Last modified:2019-04-17 15:33:52
Access level:the public Released:2005-06-08 12:27:27
Creative Commons license:CC BY
Reference information

Primary reference:

15083. M. Collignon and J. Cottreau. 1927. Paleontologie de Madagascar. XIV. Fossiles du Miocene Marine. Annales de Paleontologie 16:135-171 [M. Uhen/M. Uhen]

Secondary references:

33120 D. P. Domning. 2010. Sirenia. In L. Werdelin & W. J. Sanders (ed.), Cenozoic Mammals of Africa 147-160 [M. Uhen/M. Uhen]
34810ETE R. Lavocat. 1955. Étude des gisements de dinosauriens de la region de Majunga (Madagascar) [Study of the dinosaur localities of the Majunga region (Madagascar)]. Haut Commissariat de Madagascar et Dependances, Direction des Mines et de la Géologie. Travaux du Bureau Geologique 69:1-19 [M. Carrano/M. Carrano/M. Carrano]
52101 C. Pimiento, G. González-Barba, A.J.W. Hendy, C. Jaramillo, B. J. MacFadden, C. Montes, S. C. Suarez and M. Shippritt. 2013. Early Miocene chondrichthyans from the Culebra Formation Panama A window into marine vertebrate faunas before closure the Central American Seaway. Journal of South American Earth Sciences 42:159-170 [C. Jaramillo/C. Pimiento/C. Pimiento]
34101 K. E. Samonds, R. A. Ernat, T. Andrianvalona and D. P. Domning. 2019. New Miocene sirenians from Nosy Makamby, northwestern Madagascar. Journal of Vertebrate Paleontology e1570223 [M. Uhen/M. Uhen/M. Uhen]
15432 K. E. Samonds and R. E. Fordyce. 2019. The first pre-Pleistocene cetacean from Madagascar, western Indian Ocean. Journal of African Earth Sciences 151:41847-188 [M. Uhen/M. Uhen/M. Uhen]
13722 R. J. G. Savage and B. S. Tewari. 1977. A new sirenian from Kutch, India. Journal of the Palaeontological Society of India 20:216-218 [M. Uhen/M. Uhen/M. Uhen]