Latest Emsian Marl, Hamar Laghdad VI and VIa, Tafilalt, SE Morocco: Late Emsian, Morocco
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Cephalopoda
- Agoniatitida
- Mimagoniatitidae
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Mimagoniatites aff. bohemicus
(Barrande 1865)
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Cephalopoda
- Agoniatitida
- Mimoceratidae
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Gyroceratites laevis
(Eichenberg 1931)
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Cephalopoda
- Agoniatitida
- Anarcestidae
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Sellanarcestes wenckenbachi
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Trilobita
- Odontopleurida
- Odontopleuridae
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Ceratocephala sp. n. sp.
Warder 1838
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Ceratocephala cf. vesiculosa
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Alberti 1970 | ||||||
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Trilobita
- Proetida
- Tropidocoryphidae
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Tropidocoryphe memnon
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Alberti 1970 | ||||||
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Trilobita
- Proetida
- Proetidae
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Cornuproetus (Diademaproetus) holzapfeli
(Novak 1890)
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Cornuproetus (Proetopeltis) cf. waldschmidti
(Novak 1890)
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Cornuproetus (Sculptoproetus) maghrebus
Alberti 1967
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Cornuproetus (Sculptoproetus) sculptus
(Barrande 1846)
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Alberti 1970 | ||||||
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Trilobita
- Proetida
- Tropidocoryphidae
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Eremiproetus frequens
Alberti 1967
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Alberti 1970 | ||||||
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Eremiproetus dufresnoyi
(Hawle and Corda 1847)
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Trilobita
- Phacopida
- Phacopidae
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Phacops (Phacops) cf. fecundus
Barrande 1852
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Phacops (Phacops) cf. degener
Barrande 1852
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Alberti 1970 | ||||||
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Trilobita
- Phacopida
- Acastidae
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Psychopyge elegans
Termier and Termier 1950
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Asteropyginae indet.
Delo 1935
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| see common names | |||||||
Geography
| Country: | Morocco |
| Coordinates: | 31.4° North, 4.1° West (view map) |
| Paleocoordinates: | 50.3° South, 24.0° East |
| Basis of coordinate: | based on political unit |
| Geographic resolution: | local area |
Time
| Period: | Devonian | Epoch: | Early Devonian |
| Stage: | Emsian | 10 m.y. bin: | Devonian 2 |
| *International age/stage: | Late/Upper Emsian | *Local age/stage: | Zlichovian |
| Key time interval: | Late Emsian | ||
| Age range of interval: | 398.3 - 393.3 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Formation: | Amerboh | ||||
| Stratigraphic resolution: | group of beds | ||||
| Stratigraphy comments: "Das juengste Ober-Emsium (Zlichovium in Mergelkalk-Entwicklung (z. T. etwas sandig)..." Ref. 7485: "Beds 1 and 2 in section [H.L. VI]". JA: originally entered as Zlichovian. PJW: should be Amerboh now. | |||||
Lithology and environment
| Primary lithology: | sandy marl |
| Lithology description: "Mergelkalk...zum Teil etwas sandig" | |
| Environment: | marine indet. |
| Geology comments: Succeeds Hamar Laghdad Limestone after shallowing upward sequence. See collection 27062. | |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection excludes: | some macrofossils |
| Reason for describing collection: | taxonomic analysis |
| Collection method comments: List on p. 482, near top. Also column 36 of Table 4 of ref. 7485. | |
| Taxonomic list comments:Focus is on trilobites, but some other elements are listed. | |
Metadata
| Database number: | 27072 | ||
| Authorizer: | M. Foote | Enterer: | M. Foote |
| Modifier: | P. Wagner | Research group: | marine invertebrate |
| Created: | 2002-11-15 15:10:59 | Last modified: | 2024-05-19 22:54:50 |
| Access level: | the public | Released: | 2002-11-15 15:10:59 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 7484. | G. K. B. Alberti. 1969. Trilobiten des juengeren Siluriums sowie des Unter- und Mitteldevons. I. Mit Beitraegen zur Silur-Devon-Stratigraphie einiger Gebiete Marokkos und Oberfrankens. Abhandlungen der Senckenbergischen Naturforschenden Gesellschaft 520:1-692 [M. Foote/M. Foote/M. Foote] |
Secondary references:
| 7485 | G. K. B. Alberti. 1970. Trilobiten des juengeren Siluriums sowie des Unter- und Mitteldevons. II. Abhandlungen der Senckenbergischen Naturforschenden Gesellschaft 525:1-233 [M. Foote/M. Foote/M. Foote] |