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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Menomonia prooculis
Taxonomy
Menomonia prooculis was named by Lochman (1944) [Lochman in Lochman and Duncan 1944].
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1944 | Menomonia prooculis Lochman p. 135 figs. pl. 12 f. 39-42 |
| 1944 | Menomonia prooculis Lochman and Duncan p. 135 figs. pl. 12 f. 39-42 |
| 1998 | Menomonia prooculis Stitt p. 1039 figs. 7.6-7.9 |
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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.
†Menomonia prooculis Lochman 1944
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| J. H. Stitt 1998 | A species of Menomonia with conical glabella, strongly tapering to rounded point. Palpebral lobes elevated, located opposite anterior end of glabella. Palpebral areas very narrow. Anterior border broadly triangular, more convex at anterior margin than at posterior end. Internal mold of cranidium and librigena covered by fine granules. |
Measurements
No measurements are available
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| Source: g = genus, f = family, c = class | |||||
| References: Hendy 2009, Aberhan et al. 2004, Whittington et al. 1997 | |||||
Age range: Menevian or 504.50000 to 499.50000 Ma
Collections (8 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Menevian | USA (South Dakota) | Menomonia prooculis (8241 8242 8246 8247 8273 8274 8276) | |
| Menevian - St Davids | USA (South Dakota) | Menomonia prooculis (8200) |