Basic info | Taxonomic history | Classification | Included Taxa |
Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Taxonomy
Modiola fountainensis was named by Weller (1916). It is a 3D body fossil.
It was recombined as Modiolus (Modiolus) fountainensis by Hoare (2007).
It was recombined as Modiolus (Modiolus) fountainensis by 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. waverliensis, M. nysti, M. lorioli, M. semicircularis
Synonymy list
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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) fountainensis Weller 1916
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Diagnosis
Reference | Diagnosis | |
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R. D. Hoare 2007 | Small, thin shelled, narrowly elongately spatulate in form; beaks near anterior margin, not prominent; dorsal margin straight before curving with broad convexity into narrowly convex posterior margin; ventral margin nearly straight; anterior margin short, convex; surface with only faint comarginal growth lines; interior features not observed. Specimens range in size from 14.3 mm long, 6.2 mm high to 7.3 mm long, 3.7 mm high.
The narrow, elongate shape and less prominent comarginal ornamentation distinguish M. (M.)fountainensis from other species of the subgenus. |
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 Brigantian or 335.50000 to 330.90000 Ma
Collections (2 total)
Time interval | Ma | Country or state | Original ID and collection number |
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Chesterian - Brigantian | USA (Ohio) | Modiolus fountainensis (85363) | |
Chesterian | USA (Arizona) | Modiola fountainensis (124256) |