Where: Sweden (59.1° N, 15.3° E: paleocoordinates 42.2° S, 22.9° W)

• local area-level geographic resolution

When: Eccaparadoxides pinus zone, Solvan (513.0 - 501.0 Ma)

• Although the material was collected from shale piles, the authors make reference to the material coming from the ""E. oelandicus beds"".

• group of beds-level stratigraphic resolution

Environment/lithology: offshore ramp; lithified shale

Preservation: original calcite, original phosphate

Collection methods: bulk, chemical,

• The Rhabdtubus johanssoni n. gen. n. sp. is the earliest known pterobranch. Specimens originally found by Jan Johansson of Skollersta, Sweden.

Primary reference: S. Bengtson and A. Urbanek. 1986. Rhabdotubus, a Middle Cambrian rhabdopleurid hemichordate. Lethaia 19:293-308 [M. Patzkowsky/P. Borkow] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 9782: authorized by Mark Patzkowsky, entered by Phil Borkow on 18.01.2001