Lampterocrinus tennesseensis   scale in cms CLASS - Crinoidea ORDER - Diplobathrida FAMILY - Lampterocrinidae GENUS/SPECIES - Lampterocrinus tennesseensis ROCK UNIT - Brownsport Formation AGE - Silurian (425 million years old) LOCALITY - d, Tennessee, USA These specimens represent the highly ornamented cup (lower) portion of crown that possesses a very large anal tube at the top. The plates making up the cup were more sutured together than those comprising the anal tube, so only the cup was preserved. PRI 43601