NORTHWEST MADAGASCAR
ANTSIRANANA PROVINCE
NEAR AMBILOBE REGION
MADIROMIARY
MIDDLE SAKAMENA BEDS
UPPER ANDAVAKOERA FORMATION
EARLY DIENERIAN SUBSTAGE
LOWER NAMMALIAN STAGE
MIDDLE SCYTHIAN EPOCH
EARLY TRIASSIC
STEM: TETRAPODA GOODRICH, 1930
SUPERCLASS: AMNIOTA HAECKEL, 1866
CLASS: AMPHIBIA LINNAEUS, 1758
SUBCLASS: LABYRINTHODONTIA OWEN, 1860
SUPERORDER: TEMNOSPONDYLIA ZITTEL, 1887
MICROORDER: LIMNARCHIA YATES & WARREN, 2000
ORDER: TREMATOSAURIA PIVETEAU, 1955
Superfamily: TREMATOSAUROIDEA Watson, 1919 (sensu Save-Soderbergh, 1935)
Family: TREMATOSAURIDAE Watson, 1919
*Wantzosaurus elongatus
= Wantzosaurus sp
= *Ifasaurus elongatus
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