TY - JOUR T1 - Lapworthura: A Typical Brittlestar of the Silurian Age; with Suggestions for a New Classification of the Ophiuroidea JF - Philosophical Transactions of the Royal Society of London. Series B, Containing Papers of a Biological Character (1896-1934) VL - 202 SP - 213 EP - 232 PY - 1912/01/01/ UR - http://dx.doi.org/10.1098/rstb.1912.0007 M3 - doi:10.1098/rstb.1912.0007 AU - Sollas, I. AU - Sollas, W. ER -