[Rockhounds] Jurassic Megaraft Crinoid (Seirocrinus) Colonies, Posidonia Shale, Germany

[Paul]

Hunter, A.W., Mitchell, E.G., Casenove, D. and Mayers, C.,
2019. Reconstructing the ecology of a Jurassic pseudoplanktonic
megaraft colony. bioRxiv, p.566844.
https://www.biorxiv.org/content/10.1101/566844v1.abstract
https://www.biorxiv.org/content/biorxiv/early/2019/03/04/566844.full.pdf

Hess, H. 2011, Treatise Online, no. 16, Part T, Revised, Volume
1, Chapter 19: Paleoecology of pelagic crinoids
https://www.researchgate.net/publication/272640982_Treatise_Online_no_16_Part_T_Revised_Volume_1_Chapter_19_Paleoecology_of_pelagic_crinoids

Other papers are:

Röhl, H.J., Schmid-Röhl, A., Oschmann, W., Frimmel, A. and Schwark,
  L., 2001. The Posidonia Shale (Lower Toarcian) of SW-Germany: an
oxygen-depleted ecosystem controlled by sea level and palaeoclimate.
Palaeogeography, Palaeoclimatology, Palaeoecology, 165(1-2), pp.27-52.
https://www.researchgate.net/publication/229329097_Erratum_to_The_Posidonia_Shale_Lower_Toarcian_of_SW-Germany_an_oxygen-depleted_ecosystem_controlled_by_sea_level_and_palaeoclimate
https://www.researchgate.net/profile/Annette_Schmid-

Schmid-Röhl, A., Röhl, H.J., Oschmann, W., Frimmel, A. and Schwark,
  L., 2002. Palaeoenvironmental reconstruction of Lower Toarcian
  epicontinental black shales (Posidonia Shale, SW Germany): global
versus regional control. Geobios, 35(1), pp.13-20.
https://www.researchgate.net/publication/251729450_Palaeoenvironmental_reconstruction_of_Lower_Toarcian_epicontinental_black_shales_Posidonia_Shale_SW_Germany_Global_versus_regional_control
https://www.researchgate.net/profile/Annette_Schmid-Roehl

Yours,

Paul H.