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Percostoma angustum
Taxonomy
Percostoma angustum was named by Casier (1966). It is extant. Its type locality is Isle of Sheppey (BMNH collection), which is in a Ypresian marine claystone in the London Clay Formation of the United Kingdom.
Synonymy list
| Year | Name and author |
|---|---|
| 1966 | Percostoma angustum Casier p. 193 figs. Plate 27, Fig. 6 |
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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.
Percostoma angustum Casier 1966
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: o = order, subp = subphylum | |||||
| References: Hendy et al. 2009, Carroll 1988 | |||||