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Australoscutula yooi
Taxonomy
Australoscutula yooi was named by Cook et al. (2007). Its type specimen is QMF 49521, a shell, and it is not a trace fossil. Its type locality is Marohn. Yoo Loc. 28. 150 m west of Marohn homestead, which is in a Tournaisian carbonate limestone in the Dangarfield Formation of Australia.
Synonymy list
| Year | Name and author |
|---|---|
| 2007 | Australoscutula yooi Cook et al. pp. 184 – 185 fig. 2 |
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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.
†Australoscutula yooi Cook et al. 2007
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| A. Cook et al. 2007 | Australoscutula species with flat, broadly patelliform teleoconch; protoconch relatively large, broad. Shell flat, broadly patelliform, 1.05 mm high, maximum diameter of 2.5 mm; protoconch at apex in subcentral position, axis approximately parallel to aperture of limpet; protoconch turbiniform, comprises about 2.5 whorls, 0.35 mm high (from apex to base) and 0.39 mm wide; first whorl tightly coiled, diameter 0.15 mm; protoconch smooth without conspicuous ornament; protoconch base round, convex, minutely phaneromphalous; transition to teleoconch abrupt with strong expansion immediately following protoconch; teleoconch broadly patelliform, from earliest to last preserved growth stages with no traces of coiling; ornament restricted to fine distinct concentric growth lines commonly interrupted by healed shell fractures; inner shell without remains of columella and clear traces of muscle attachment scars. |
Measurements
No measurements are available
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| Source: c = class | |||||
| Reference: Kiessling 2004 | |||||
Age range: Tournaisian or 358.90000 to 346.70000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Tournaisian | Australia (New South Wales) | Australoscutula yooi (type locality: 44088) |