Ankitokazo (Permian of Madagascar)

Where: Diana, Madagascar (13.5° S, 49.0° E: paleocoordinates 46.7° S, 39.2° E)

• coordinate estimated from map

• local area-level geographic resolution

When: Lower Sakamena Formation (Sakamena Group), Wuchiapingian (259.9 - 254.2 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: coastal; lithified mudstone

Size class: macrofossils

Collected by H. Besairie

Primary reference: I. Vaillant-Couturier Treat. 1933. Paléontologie de Madagascar. XIX - Le Permo-Trias Marin. Annales de Paléontologie 22:39-96 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 81987: authorized by Matthew Clapham, entered by Matthew Clapham on 20.07.2008

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Scyphozoa
 Conulariida - Conulariidae
"Conularia" sp.
"Conularia" sp. Miller 1820 jellyfish
Anthozoa
 Stauriida - Cyathophyllidae
Cyathophyllum sp.1
Cyathophyllum sp.1 Goldfuss 1826 horn coral
Rhynchonellata
 Spiriferida - Trigonotretidae
"Spirifer musakheylensis" = Betaneospirifer moosakhailensis1
"Spirifer musakheylensis" = Betaneospirifer moosakhailensis1 Davidson 1862
 Athyridida - Athyrididae
"Athyris (Spirigera) roissyi" = Spirifer deroissyi1, ""Athyris" (Seminula) argentea" = Composita argentea1
"Athyris (Spirigera) roissyi" = Spirifer deroissyi1 Leveille 1835
""Athyris" (Seminula) argentea" = Composita argentea1 Shepard 1838
 Rhynchonellida - Uncinulidae
Uncinulus rhynchonelloides1
Uncinulus rhynchonelloides1 Mansuy 1913
var. paucicostata
 Rhynchonellida - Stenoscismatidae
"Camarophoria mutabilis" = Stenoscisma mutabilis1, "Camarophoria schlotheimi" = Stenoscisma schlotheimi1
"Camarophoria mutabilis" = Stenoscisma mutabilis1 Tschernyschew 1902
var. spissa
"Camarophoria schlotheimi" = Stenoscisma schlotheimi1 von Buch 1835
 Terebratulida - Dielasmatidae
Dielasma elongatum1
Dielasma elongatum1 von Schlotheim 1816
 Spiriferinida - Paraspiriferinidae
"Spiriferina billingsi" = Paraspiriferina billingsi1
"Spiriferina billingsi" = Paraspiriferina billingsi1 Shumard 1858
var. latisinuata
 Orthida - Enteletidae
Enteletes nodosus n. sp.1
Enteletes nodosus n. sp.1 Astre 1934
Strophomenata
 Productida - Echinoconchidae
"Waagenoconcha abichi" = Waagenoconcha (Gruntoconcha) abichi1
"Waagenoconcha abichi" = Waagenoconcha (Gruntoconcha) abichi1 Waagen 1884
var. ankitokazo
 Productida -
Marginifera madagascariensis n. sp.1
Marginifera madagascariensis n. sp.1 Astre 1934
Productus gallatinensis ssp. madagascariensis
Cephalopoda
 Prolecanitida - Medlicottiidae
Episageceras boulei n. sp.
Episageceras boulei n. sp. Vaillant-Couturier Treat 1933 ammonite
 Goniatitida - Cyclolobidae
Cyclolobus walkeri
Cyclolobus walkeri Diener 1903 ammonite
 Ceratitida - Xenodiscidae
Xenodiscus besairiei2
Xenodiscus besairiei2 Spinosa et al. 1975 ceratite
 Orthocerida - Orthoceratidae
"Orthoceras" sp.
"Orthoceras" sp. Breynius 1832
Gastropoda
 Bellerophontida - Bellerophontidae
Bellerophon cf. vigilii
Bellerophon cf. vigilii Stache 1877 snail
Bivalvia
 Arcida - Arcidae
? Arca perradiata n. sp.1
? Arca perradiata n. sp.1 Astre 1934 ark
 Pholadomyida - Pholadomyidae
Goniomya disangula n. sp.1
Goniomya disangula n. sp.1 Astre 1934 clam
 Pholadomyida - Edmondiidae
"Allorisma sulcatum" = Edmondia sulcata1
"Allorisma sulcatum" = Edmondia sulcata1 Fleming 1828 clam
 Cardiidia - Sanguinolitidae
""Goniomya" aff. kasanensis" = Siphogrammysia kasanensis1
""Goniomya" aff. kasanensis" = Siphogrammysia kasanensis1 Geinitz 1880 clam
 Trigoniida - Schizodidae
Schizodus truncatus1
Schizodus truncatus1 King 1844 clam
1Astre 1934; 2Spinosa et al. 1975