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Clepsydrops
Temporal range: Carboniferous
Life restoration
Scientific classification
Domain:
Eukaryota
Kingdom:
Animalia
Phylum:
Chordata
Clade:
Synapsida
Family:
†Ophiacodontidae
Genus:
†Clepsydrops Cope, 1875
Species
†Clepsydrops collettii
†Clepsydrops natalis
†Clepsydrops vinslovii
Synonyms
Archaeobelus Cope, 1877
Clepsydrops is an extinct genus of primitive synapsids from the early Late Carboniferous that was related to Archaeothyris. The name means 'hour-glass appearance' (Greek klepsydra = "hourglass" + Greek ops = "eye, face, appearance").[1]
Synapsida is the group (or clade) that includes mammals, but the term is mainly used to refer to its earliest members. Like many other early terrestrial amniotes, it probably had the diet of insects and smaller animals. It probably laid eggs on land rather than in the water, as most amniote tetrapods did.
A paleobiological inference model for the femur suggests a terrestrial lifestyle for Clepsydrops,[2] as for its more recent relative Ophiacodon.[3] This is consistent with its rather thin, compact cortex. Its jaws were slightly more advanced than those of other early amniote tetrapods like Paleothyris and Hylonomus.
^"Re: [dinosaur] DECODING COPE'S TEXAS TAXA: Eryops and Dimetrodon natalis". Archived from the original on 2019-08-20. Retrieved 2019-08-20.
^Quémeneur, S.; de Buffrénil, V.; Laurin, M. (2013). "Microanatomy of the amniote femur and inference of lifestyle in limbed vertebrates". Biological Journal of the Linnean Society. 109 (3): 644–655. doi:10.1111/bij.12066.
^Laurin, M.; de Buffrénil, V. (2015). "Microstructural features of the femur in early ophiacodontids: A reappraisal of ancestral habitat use and lifestyle of amniotes". Comptes Rendus Palevol. 15 (1–2): 115–127. doi:10.1016/j.crpv.2015.01.001.
Clepsydrops is an extinct genus of primitive synapsids from the early Late Carboniferous that was related to Archaeothyris. The name means 'hour-glass...
earlier, though, when Cope named the species Clepsydrops limbatus from the Texas Red Beds. (The name Clepsydrops was first coined by Cope in 1875 for sphenacodontid...
Scotia. The name means 'first Clepsydrops', and refers to it being the predecessor of the other early synapsid Clepsydrops. Like Archaeothyris, Protoclepsydrops...
early synapsids from the Carboniferous and Permian. Archaeothyris, and Clepsydrops were among the earliest ophiacodontids, appearing in the Late Carboniferous...
these fossils were discovered had been informally referred to as the "Clepsydrops shales", named after a local genus of early synapsid by Cope in 1865...
been small, unspecialised generalists. Asaphestera, Archaeothyris and Clepsydrops, the earliest-known synapsids, lived in the Pennsylvanian subperiod (323–299...
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