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 Val Syverson, entered by Val 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.
Show authors, comments, and common names
Pterobranchia
 Graptoloidea - Dichograptidae
Didymograptus cf. indentus1, Didymograptus cf. nicholsoni1, Azygograptus sp.1
Didymograptus cf. indentus1 graptolite
Didymograptus ex. gr. indentus
Didymograptus cf. nicholsoni1 Lapworth 1875 graptolite
Azygograptus sp.1 Nicholson and Lapworth 1875 graptolite
Rhynchonellata
 Orthida - Paurorthidae
Paurorthis tadristensis1
Bivalvia
 Modiomorphida - Modiomorphidae
Redonia sp.1
Redonia sp.1 Rouault 1851 clam
Trilobita
 Asaphida - Asaphidae
Asaphidae indet.1, Basilicus (Basilicus) destombesi2
Asaphidae indet.1 Burmeister 1843 trilobite
Basilicus (Basilicus) destombesi2 Vidal 1998 trilobite
 Phacopida - Calymenidae
"Neseuretus cf. antetristani" = Pradoella antetristani1
"Neseuretus cf. antetristani" = Pradoella antetristani1 Dean 1966 trilobite
1Babin and Destombes 1990; 2Corbacho and Vela 2010