 -- Z1C11M01
 -- Z1C11S01
 -- Z1C11S02
- Nickname: Angelwing Bottom
- Collected: Site Z, Constellaria
Bed of Cannon Limestone from Upper Ordovician Shale in Nashville,
Tennessee, USA. Recovered from thin silty shale between two limestone
beds.
- Estimated Age: about 450 million years old.
- Comments: Scale Bar is 0.5 mm. Recovered from same sample
as Z1C08. Complementary elements? Originally
named by Branson and Mehl in 1951, this genus was reclassified by Begstrom
and Sweet in 1966, (Bull
of Amer Pal. Vol 50, No 229, pp 388-392, 428). I have not yet
pinned down the exact species.
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