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Sollasina is an
extinct genus of
ophiocistioid that is
known from
Silurian to Devonian.
Sollasina cthulhu from the
Coalbrookdale Formation of the Silurian...
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class of
extinct echinoderms from the
Palaeozoic and
early Mesozoic.
Ophiocistioids had a
flattened dome-shaped body
encased in a
solid test of calcareous...
- Siveter,
David J.; Siveter,
Derek J.; Sutton, Mark D. (2019). "A new
ophiocistioid with soft-tissue
preservation from the
Silurian Herefordshire Lagerstätte...
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unthinkably indifferent,
eldritch entities".
Sollasina cthulhu, an
extinct ophiocistioid echinoderm, is
named after the
Cthulhu Mythos. List of
Cthulhu Mythos...
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Rhenosquamus as the
characteristic "scaly podia"
otherwise diagnostic of
ophiocistioids may not, in fact, be such structures. No
known orders, 2
known species...
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David J.; Siveter,
Derek J.; Sutton, Mark D. (10
April 2019). "A new
ophiocistioid with soft-tissue
preservation from the
Silurian Herefordshire Lagerstätte...
- Hausmann;
Vanessa J. Roden;
Alexander Nützel (2018). "The
youngest ophiocistioid: a
first Palaeozoic‐type
echinoderm group representative from the Mesozoic"...
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Protaster A stem-group
ophiuroid Crinoidea Uninvestigated Sollasina An
ophiocistioid echinoderm Pterobranchia "Graptoloids"
Uninvestigated Inani****a A radiolarian...
- 32800/tmgb.2014.20.0005. Mike Reich;
Manfred Kutscher (2014). "A new
ophiocistioid (Echinodermata) from the
Silurian of Gotland, Sweden". GFF. 136 (3):...
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local fauna includes xiphosurans, phyllocarids, crinoids,
echinoids and
ophiocistioids. The
environment appears to have
mainly been sub-marine, with deposits...
