Other characteristics include 6-joint antennal peduncle, the
styliform uropod s (a character shared with some other isopod groups), the
Kaynak: Asellotaflattened protrusions known as the epimera with the exception of the last needle-like (
styliform) segment known as the telson (the 'tail').
Kaynak: EurypterusFloral bracts are
styliform, shorter than the calyx, early falling. The corolla is purple or white, three times longer than the calyx.
Kaynak: Lupinus perennisdistinguishable by its elongate body, with spurs on the segments; its walking legs, which lack spines; and its long
styliform (pointed) telson
Kaynak: AdelophthalmusDescription: The apex is
styliform. Distribution: This marine species occurs off the coasts of New South Wales , Australia , mainly throughout
Kaynak: Cingulina brazieriThe abdomen is narrow and ends in a short
styliform telson . Brachyopterus date from the Middle Ordovician Taxonomy: The genus contains only
Kaynak: BrachyopterusDescription: The telson ranges from
styliform to clavate. Drepanopterus date from the Silurian to the Upper Devonian periods. Species
Kaynak: DrepanopterusDescription: The telson (tail) was
styliform or pointed. Eurypteridae also had chelicerae (appendages in front of the mouth) that were
Kaynak: EurypteridaeThe telson , (tail) was
styliform, or pointed. Eurypteridae also had chelicerae (appendages in front of the mouth) that were small.
Kaynak: Onychopterellasmooth surface, and the greatly elongated 5th (last) pair of walking legs, which reached as far as the telson , which was long and
styliform.
Kaynak: StylonurusThe posterior trunk has a series of eight to twenty
styliform, filamentous pleopod -like appendages, decreasing in size posteriorly.
Kaynak: Thylacocephalaopisthosoma body with 12 moveable segments and
styliform to spatulate telson tail, with division commonly into 7-segmented preabdomen and
Kaynak: Eurypterid