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Glyptomena trippi
Taxonomy
Glyptomena trippi was named by Williams (1962). Its type specimen is BB.15216, a shell (complete shell), and it is a 3D body fossil. Its type locality is South-east side of quarry, ½ mile north-east of Brockloch Farm, which is in a Llandeilo carbonate mudstone/limestone in the Stinchar Formation of the United Kingdom.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1962 | Glyptomena trippi Williams pp. 212 - 214 figs. Pl. XXI, figs. 10-15, 17, 18 |
| 2014 | Glyptomena trippi Candela and Harper pp. Supplement 1 |
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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.
†Glyptomena trippi Williams 1962
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| A. Williams 1962 | Subquadrate to transversely semi-oval Glyptomena less than three-quarters as long as wide with a concavo-convex lateral profile, so that the pedicle valves are less than one-third as deep as long; costellae differentially thickened, most commonly spaced at 10 per millimetre antero-medianly, and cancellated by evenly developed, concentric lamellae with modal counts of 9 per millimetre; ventral muscle-scar subcordate, less than one-third as long as the pedicle valve, with a pair of subparallel vascula media emanating from the anterior lobes of the diductor scars; lateral extensions of the notothyrial platform poorly developed, dorsal median septum extending for about one-half of the length of the valve, adductor muscle-field septate. |