Basic info | Taxonomic history | Classification | Included Taxa |
Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Attenuella
Taxonomy
Attenuella was named by Malinky (2014). Its type is Hyolithes attenuatus.
It was assigned to Hyolitha by Malinky (2014).
It was assigned to Hyolitha by Malinky (2014).
Species
Synonymy list
Year | Name and author |
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2014 | Attenuella Malinky pp. 357 - 358 |
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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.
Diagnosis
Reference | Diagnosis | |
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J. M. Malinky 2014 | Hyolith having elongate, slender, gently tapering conch; venter entirely flat or having centrally located, narrow, steep-sided longitudinal groove that is flat at bottom and terminates abruptly against the lateral edges of adjacent high areas. Sides of the groove appear to be parallel to each other rather than tapering to conform to the lateral margins of the conch. |
Measurements
No measurements are available
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Source: p = phylum | |||||
Reference: Hendy et al. 2009 |
Age range: base of the Franconian to the top of the Trempealeauan or 497.00000 to 485.40000 Ma
Collections: one only
Time interval | Ma | Country or state | Original ID and collection number |
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Franconian - Trempealeauan | USA (Nevada) | A. attenuata (199754) |