Destombes Loc. 1675. Jbel Tibasksoutine (Ordovician of Morocco)

Where: Zagora, Morocco (30.1° N, 5.8° W: paleocoordinates 77.1° S, 106.3° E)

• coordinate based on political unit

• outcrop-level geographic resolution

When: Baltograptus jacksoni graptolite zone, Upper Fezouata Formation, Floian (477.7 - 470.0 Ma)

• Middle Arenig. Note: section measurement seems to differ by 100m from section measurements in Martin et al. 2016. Middle to Upper part of Upper Fezouta.

• bed-level stratigraphic resolution

Environment/lithology: gray, green, argillaceous mudstone and lithified, concretionary, sandy limestone

• Dans de argilites gris-vert enserrant des miches de calcaires gréseux contenant: (In greenish grey mudstones enclosing of the sandy limestone concretions ("round loaves" containing:)

Size classes: macrofossils, mesofossils

Preservation: concretion, original aragonite, original calcite, original phosphate, original silica, original chitin

Collected by Jacques Destombes in 1998

Collection methods: surface (in situ), mechanical,

Primary reference: M. Vidal. 1998. Le modèle des biofaciès à Trilobites: un test dans l'Ordovicien inférieur de l'Anti-Atlas, Maroc. Comptes-Rendus de l'Académie des Sciences, Paris, Sciences de la Terre et des planetes 327:327-333 [V. Syverson/V. Syverson/E. Ito]more details

Purpose of describing collection: taphonomic analysis

PaleoDB collection 182906: authorized by Valerie Syverson, entered by Valerie Syverson on 28.11.2016

Creative Commons license: CC BY (attribution)

Taxonomic list

• PJW: This was a duplicate entry of Destombes Loc. 1687 (coll. 166731). I have merged the species-lists and re-written this collection.
Trilobita
 Phacopida - Calymenidae
 Asaphida - Asaphidae
Asaphidae indet.1 Burmeister 1843 trilobite
Rhynchonellata
 Orthida - Paurorthidae
Bivalvia
 Modiomorphida - Modiomorphidae
Redonia sp.1 Rouault 1851 clam
Graptolithina
 Graptoloida -
Azygograptus sp.1 Nicholson and Lapworth 1875 graptoloid
 Panreclinata - Dichograptidae
Didymograptus cf. indentus1 graptoloid
Didymograptus ex. gr. indentus
Didymograptus cf. nicholsoni1 Lapworth 1875 graptoloid