Tylopterella
Sign in to saveTylopterella is a genus of eurypterid, a group of extinct aquatic arthropods. Only one fossil of the single and type species, T. boylei, has been discovered in deposits of the Late Silurian period (Ludlow epoch) in Elora, Canada. The name of the genus is composed by the Ancient Greek words τύλη (), meaning "knot", and πτερόν (), meaning "wing". The species name boylei honors David Boyle, who discovered the specimen of Tylopterella.
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- The Eurypterida of New York figure 42.jpg
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- end time
- 418700000-
- Commons category
- Tylopterella
- taxon name
- Tylopterella
- start time
- 422900000-
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- Description
- History of research
- Classification
- Paleoecology
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Tylopterella is a genus of eurypterid, a group of extinct aquatic arthropods. Only one fossil of the single and type species, T. boylei, has been discovered in deposits of the Late Silurian period (Ludlow epoch) in Elora, Canada. The name of the genus is composed by the Ancient Greek words τύλη (), meaning "knot", and πτερόν (), meaning "wing". The species name boylei honors David Boyle, who discovered the specimen of Tylopterella.
It is a poorly-known genus whose carapace (dorsal plate of the prosoma, head) was semiovate bordered by a marginal rim, with eyes laterally placed, a preabdomen and postabdomen (the two halves of the abdomen) with six segments each and a short spike-like telson (which was the posteriormost division of the body). It reached a total length of 7.5 centimetres (2.9 inches). These characteristics place Tylopterella in the family Onychopterellidae together with Onychopterella.
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