Sphenacodontia (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Sphenacodontia" in English language version.

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Spindler, Frederik (15 August 2019). "Re-evaluation of an early sphenacodontian synapsid from the Lower Permian of England" (PDF). Earth and Environmental Science Transactions of the Royal Society of Edinburgh. 111: 27–37. doi:10.1017/S175569101900015X. S2CID 202192911. Retrieved 8 October 2019.

Spindler, Frederik (15 August 2019). "Re-evaluation of an early sphenacodontian synapsid from the Lower Permian of England" (PDF). Earth and Environmental Science Transactions of the Royal Society of Edinburgh. 111: 27–37. doi:10.1017/S175569101900015X. S2CID 202192911. Retrieved 8 October 2019.
Spindler, F.; Scott, Diane; Reisz, Robert (October 2014). "New information on the cranial and postcranial anatomy of the early synapsid Ianthodon schultzei (Sphenacomorpha: Sphenacodontia), and its evolutionary significance". Fossil Record. 18 (1): 17–30. Bibcode:2014FossR..18...17S. doi:10.5194/fr-18-17-2015.
Benson, R.J. (2012). "Interrelationships of basal synapsids: cranial and postcranial morphological partitions suggest different topologies". Journal of Systematic Palaeontology. 10 (4): 601–624. Bibcode:2012JSPal..10..601B. doi:10.1080/14772019.2011.631042. S2CID 84706899.
Jörg Fröbisch; Rainer R. Schoch; Johannes Müller; Thomas Schindler; Dieter Schweiss (2011). "A new basal sphenacodontid synapsid from the Late Carboniferous of the Saar-Nahe Basin, Germany" (PDF). Acta Palaeontologica Polonica. 56 (1): 113–120. doi:10.4202/app.2010.0039.
Spindler, Frederik (2020). "The skull of Tetraceratops insignis (Synapsida, Sphenacodontia)". Palaeovertebrata. 43 (1): e1. doi:10.18563/pv.43.1.e1. S2CID 214247325.

Spindler, F.; Scott, Diane; Reisz, Robert (October 2014). "New information on the cranial and postcranial anatomy of the early synapsid Ianthodon schultzei (Sphenacomorpha: Sphenacodontia), and its evolutionary significance". Fossil Record. 18 (1): 17–30. Bibcode:2014FossR..18...17S. doi:10.5194/fr-18-17-2015.
Benson, R.J. (2012). "Interrelationships of basal synapsids: cranial and postcranial morphological partitions suggest different topologies". Journal of Systematic Palaeontology. 10 (4): 601–624. Bibcode:2012JSPal..10..601B. doi:10.1080/14772019.2011.631042. S2CID 84706899.

Jörg Fröbisch; Rainer R. Schoch; Johannes Müller; Thomas Schindler; Dieter Schweiss (2011). "A new basal sphenacodontid synapsid from the Late Carboniferous of the Saar-Nahe Basin, Germany" (PDF). Acta Palaeontologica Polonica. 56 (1): 113–120. doi:10.4202/app.2010.0039.

Spindler, Frederik (15 August 2019). "Re-evaluation of an early sphenacodontian synapsid from the Lower Permian of England" (PDF). Earth and Environmental Science Transactions of the Royal Society of Edinburgh. 111: 27–37. doi:10.1017/S175569101900015X. S2CID 202192911. Retrieved 8 October 2019.
Benson, R.J. (2012). "Interrelationships of basal synapsids: cranial and postcranial morphological partitions suggest different topologies". Journal of Systematic Palaeontology. 10 (4): 601–624. Bibcode:2012JSPal..10..601B. doi:10.1080/14772019.2011.631042. S2CID 84706899.
Spindler, Frederik (2020). "The skull of Tetraceratops insignis (Synapsida, Sphenacodontia)". Palaeovertebrata. 43 (1): e1. doi:10.18563/pv.43.1.e1. S2CID 214247325.