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Sagenitinae
Taxonomy
Sagenitidae was named by Spath (1951). Its type is Sagenites.
It was reranked as the subfamily Sagenitinae by Spath (1951), Lukeneder and Lukeneder (2014).
It was assigned to Pinacocerataceae by Tozer (1981); to Ptychitaceae by Tozer (1994); and to Haloritidae by Spath (1951), Lukeneder and Lukeneder (2014).
It was reranked as the subfamily Sagenitinae by Spath (1951), Lukeneder and Lukeneder (2014).
It was assigned to Pinacocerataceae by Tozer (1981); to Ptychitaceae by Tozer (1994); and to Haloritidae by Spath (1951), Lukeneder and Lukeneder (2014).
Subtaxa