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Taxonomy
Modiola waverliensis was named by Herrick (1888). It is a 3D body fossil.
It was recombined as Modiolus (Modiolus) waverliensis by Busanus and Hoare (1991), Hoare (1993) and Hoare (2007).
It was recombined as Modiolus (Modiolus) waverliensis by Busanus and Hoare (1991), Hoare (1993) and Hoare (2007).
Sister species lacking formal opinion data
M. altijugatus, M. arcacea, M. attenuatus, M. baylei, M. beirensis, M. blandus, M. capensis, M. ducatelli, M. eberstadtensis, M. flagellifer, M. formosissimus, M. galpinianus, M. gammalensis, M. gibbosus, M. harrimani, M. inbricatus, M. jolyi, M. kremmlingensis, M. lobatus, M. mediocarinatus, M. minalatus, M. mingaudi, M. minuta, M. parallelus, M. parvoblongus, M. perryi, M. purpuratus, M. qinghaiensis, M. romani, M. rusticus, M. sestiniae, M. siliquus, M. subimbricatus, M. suprarectus, M. thiollierei, M. thiollieri, M. thomsoni, M. transiens, M. trequetra, M. triangulus, M. wanizakiensis, M. nysti, M. lorioli, M. semicircularis
Synonymy list
| Year | Name and author |
|---|---|
| 1888 | Modiola waverliensis Herrick p. 63 figs. pl. 1 f. 9; pl. 4 f. 10; not pl. 7 f. 29 |
| 1991 | Modiolus (Modiolus) waverliensis Busanus and Hoare p. 467 figs. 3.15 – 3.16 |
| 1993 | Modiolus (Modiolus) waverliensis Hoare p. 379 figs. 3.3 - 3.7 |
| 2007 | Modiolus (Modiolus) waverliensis Hoare pp. 65 – 67 figs. 3.24 – 3.25 |
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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.
†Modiolus (Modiolus) waverliensis Herrick 1888
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| J. W. Busanus and R. D. Hoare 1991 | Modiolus (Modiolus) with strong umbonal shoulder posteriorly; flattened, spatulate posterior area; beaks low, near anterior margin;s hell microstructurew ith radial pattern; thin-shelled. | |
| R. D. Hoare 1993 | Modiolus (Modiolus) with straight hingeline; small beaks overhang hingeline close to anterior margin; anterior lobe small; ventral margin gently convex; posterior margin evenly curved meeting dorsal margin at obtuse angle of 150?; umbos slightly inflated; umbonal ridge low, forming angle of 22˚ with dorsal margin; ventral and dorsal margins diverge at angle of approximately 12?; surface ornamented by numerous, fine, comarginal growth increments; other features not observed. |
Measurements
No measurements are available
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| Source: g = genus, f = family, c = class | |||||
| References: Aberhan et al. 2004, Kiessling 2004 | |||||
Age range: base of the Chesterian to the top of the Serpukhovian or 335.50000 to 323.20000 Ma
Collections (3 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Chesterian - Brigantian | USA (Ohio) | Modiolus waverliensis (85363) | |
| Chesterian | USA (West Virginia) | Modiolus waverliensis (92970) | |
| Serpukhovian | USA (West Virginia) | Modiolus waverliensis (56142) |