@article{a37c596e00824e59b50e8001edb7afba,
title = "Early Cambrian {"}soft-shelled{"} brachiopods as possible stem-group phoronids",
keywords = "Lophophorata, Lophotrochozoa, Brachiopoda, Phoronida, exceptional preservation, problematica",
author = "Uwe Balthasar and Butterfield, {Nicholas J.}",
year = "2009",
doi = "10.4202/app.2008.0042",
language = "English",
volume = "54",
pages = "307--314",
journal = "Acta Palaeontologica Polonica",
issn = "0567-7920",
publisher = "Polska Akademia Nauk",
number = "2",
}