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Ilsanella enallaxa
Taxonomy
Ilsanella enallaxa was named by Jacquet and Brock (2016) [Large, weakly cyrtoconic (approaching orthoconic) shell with tall profile, maximum shell height over 20 mm. Apex sub-central to eccentric (up to the sub-apical margin) with sub-apical surface expanding along a 60–78° angle. First order ornament consists of 7–9 uniformly rounded concentric rugae. Second order ornament consists of cross-hatch (reticulate) pattern formed by intersection of concentric and radial ribs (4–6 per mm).]. Its type specimen is SAM P50874, a shell, and it is a 3D body fossil. Its type locality is Section AJX-N, sample AJX-N/318.5. 182.7 meters, which is in an Atdabanian reef, buildup or bioherm reef rocks in the Ajax Limestone Formation of Australia.
Synonymy list
| Year | Name and author |
|---|---|
| 2016 | Ilsanella enallaxa Jacquet and Brock p. 351 fig. 8 |
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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.
†Ilsanella enallaxa Jacquet and Brock 2016
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Diagnosis
No diagnoses are available