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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Stenopterygius longifrons
Taxonomy
Stenopterygius longifrons was named by Owen (1881). It is not extant.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1881 | Stenopterygius longifrons Owen |
| 2000 | Stenopterygius longifrons Maisch and Matzke p. 75 |
| 2003 | Stenopterygius longifrons McGowan and Motani |
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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.
†Stenopterygius longifrons Owen 1881
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| M. W. Maisch and A. T. Matzke 2000 | "Orbit moderately large, snout very long, always longer than 2/3 lower jaw length, very delicate and slender, dentition in adult animals retained but consisting of very small teeth, maxilla high, reaches naris, frontals very reduced and narrow, parietal reaches nasal, high-crowned skull, forefins small and rounded, about 2/3 lower jaw length or somewhat less, skull much less than 1/3 preflexural length, body slender, ribs short." |
Measurements
No measurements are available
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| Source: o = order | |||||
| Reference: Kiessling 2004 | |||||
Age range: Early/Lower Toarcian or 184.20000 to 182.90000 Ma
Collections (3 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Toarcian | France | Stenopterygius longifrons (122731) | |
| Falciferum | Germany | Stenopterygius longifrons (139774 139781) |