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Triplesia craigensis
Taxonomy
Triplecia craigensis was named by Reed (1917) [= 1883. Rhynchonella balcletchiensis, Davidson (pars), Mon. Brit. Foss. Brack, vol. v, Silur. Supply
p. 200, pi. xi, figs. 23a-d.
Non 1883. Rhynchonella balcletchiensis, Davidson, ibid., p. 160, pi. x, figs. 15, 16.]. It is a 3D body fossil.
It was recombined as Triplesia craigensis by Williams (1962), Candela and Harper (2014).
It was recombined as Triplesia craigensis by Williams (1962), Candela and Harper (2014).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1917 | Triplecia craigensis Reed p. 908 figs. pl. xx, figs. 4, 5 |
| 1962 | Triplesia craigensis Williams pp. 152 - 153 figs. Pl. XIII, figs. 33-36, 38 |
| 2014 | Triplesia craigensis 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.
†Triplesia craigensis Reed 1917
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| A. Williams 1962 | Transversely, or less commonly elongately, subpentagonal Triplesia, about four-fifths as long as wide in intermediate stages of growth with a short hinge-line less than one-third the maximum width of the shell; brachial valve strongly trilobed with inflated lateral areas and a rounded, or more commonly subcarinate, median fold originating at about 3 mm. from the umbo; pedicle valve reduced in area, with a strongly geniculate median tongue directed dorsally, beak erect, shell surface apparently smooth but commonly ornamented antero-laterally by fine costellae, about 4 per millimetre, arising by intercalation and best seen on exfoliated specimens; teeth massive, dental lamellae strong, subparallel; sockets slightly curved and parallel with the hinge-line, brachiophores short, rod-like. |
Measurements
No measurements are available
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| Source: g = genus, c = class, p = phylum, uc = unranked clade | |||||
| References: Nesnidal et al. 2013, Aberhan et al. 2004, Hendy 2009 | |||||