An annotated checklist and keys to the species of Copepoda Harpacticoida (Crustacea) Author Wells, J. B. J. text Zootaxa 2007 2007-08-31 1568 1 1 872 https://biotaxa.org/Zootaxa/article/view/zootaxa.1568.1.1 journal article 10.11646/zootaxa.1568.1.1 1175­5334 5096323 7F32B238-224A-4079-B0E0-D5003C7F185A Family Hamondiidae KG 0 – characters Huys (1990a) discusses the relationship of all the species and records mentioned in this key and should be consulted before a final determination is made. 1. Body shape, in dorsal view ovoid ­ strongly dorsoventrally compressed; a broad oval in outline dv ­ at most only moderately dorsoventrally compressed; never ovoid in outline 2. Cephalic shield and metasome A ­ posterior margin of cephalic shield with median mucroniform process; epimeral plates of metasomites extremely large; posterior margin of 2nd and 3rd metasomites produced laterally into posteriorly directed, paired mucroniform processes (see Geddes 1969 , Figs 3A–B ) B ­ none of the above (see Huys 1990a , Figs 24A, 25B ) 3. Female abdomen somites 1–3* present ­ prominent posteriorly directed, pointed epimera present, densely clothed with spinules absent ­ prominent epimera absent * Prominent epimera are always absent in the male. 4. P1, relative lengths of exopod and endopod long ­ exopod longer than endopod equal ­ exopod and endopod approximately the same length short ­ exopod shorter than endopod 5. Female antennule, relative lengths of segments 3 and 4 long ­ segment 3 longer than segment 4 short ­ segments 3 and 4 approximately the same length 6. Male P5, relative lengths of endopod and exopod long ­ endopod extends to end of exopod short ­ endopod much shorter than exopod minute ­ endopod rudimentary