Suborder:
|
Goniatitina
|
Superfamily:
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Schistoceratoidea
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Family:
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Pseudoparalegoceratidae
|
Genus:
|
Phaneroceras
|
Species:
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compressum+* |
Qualifier:
|
ss |
Author:
|
Hyatt 1891,p.355
|
Lower Boundary:
|
U Halian--Bloydian, Brentwood base, 313 million years
|
Upper Boundary:
|
UTX Smithwick Fm. top, 308.6 million years
|