Where: Morocco (30.9° N, 4.1° W: paleocoordinates 64.4° S, 30.6° E)

• coordinate stated in text

• outcrop-level geographic resolution

When: Lochkovian (419.2 - 410.8 Ma)

• Approximately 40 m above Scyphocrinites limestone.

Environment/lithology: deep subtidal shelf; lithified, nodular, phosphatic, silty, carbonaceous phosphorite and unlithified, silty claystone

Size class: macrofossils

Preservation: concretion, recrystallized, original aragonite, replaced with calcite

Collected by Kröger in 2007; reposited in the MfN

Collection methods: surface (in situ), mechanical,

Primary reference: B. Kröger. 2008. Nautiloids before and during the ammonoid origin in a Siluro–Devonian section of the Tafilalt (Morocco). Special Papers in Palaeontology 79:1-110 [B. Kröger/B. Kröger]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 91477: authorized by Björn Kröger, entered by Björn Kröger on 29.09.2009

Creative Commons license: CC BY (attribution)