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Liospira striatula
Taxonomy
Liospira striatula was named by Longstaff (1924). It is a 3D body fossil. Its type locality is Balclatchie Farm, Ayrshire, Girvan, which is in a Burrellian carbonate limestone in the Balclatchie Formation of the United Kingdom.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1924 | Liospira striatula Longstaff pp. 411 - 412 figs. Pl. XXXI, figs. 4-5, & P1. XXXII, figs. 1-2 |
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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.
†Liospira striatula Longstaff 1924
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| J. D. Longstaff 1924 | Shell discoidal, spire low. Whorls about six, slightly convex above, more convex below, periphery angular, overlapping the suture, bearing a thread at the margin which is in contact with another on the upper part of the succeeding whorl. Band having the greater part above the angle slightly grooved, and limited on the apical side by a thin thread. Lines of growth curving backwards very obliquely to the band, closely packed on the band, and formin,g a sharp point situated on the peripheral thread; crossed by exceedingly fine spiral lines. Base convex, but little produced. Umbilicus deep, of medium width, sometimes filled up by shelly matter, producing the appearance of a solid columella. Aperture obliquely oblong, angular at the upper outer margin, rounded below. |
Measurements
No measurements are available
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| Source: g = genus, o = order | |||||
| References: Bambach et al. 2007, Hendy 2009 | |||||
Age range: Burrellian or 456.60000 to 452.50000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Burrellian | United Kingdom (Scotland) | Liospira striatula (169263) |