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Tractabilis
Taxonomy
Tractabilis was named by Ljaschenko (1969) [Sepkoski's age data: ]. It is not extant.
It was assigned to Tentaculitidae by Farsan (1994); and to Tentaculitida by Sepkoski (2002).
It was assigned to Tentaculitidae by Farsan (1994); and to Tentaculitida by Sepkoski (2002).
Synonymy list
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
G. †Tractabilis Ljaschenko 1969
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, o = order, uc = unranked clade | |||||
| References: Nesnidal et al. 2013, Hendy et al. 2009, Aberhan et al. 2004 | |||||
Collections
No collection or age range data are available