Grube, Adolph Eduard. (1868). On the annelid family of Maldaniea. The Annals and Magazine of Natural History, including Zoology, Botany, and Geology. Series 4. 2(12): 393-399.
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Quatrefages gives this family its widest extent by including in it Clymene, Sav., and its nearest allies — not merely Ammochares, but also Clymenidia, Arenia, Ancistria, and Clymenia (which show a great resemblance to Capitella, Notomastus, and Dasybranchus) as "Clyméniens dégradés;" whilst Malmgren and Keferstein only include the first-mentioned genus, and even exclude Ammochares.