New genera and species of sphaeromatid isopod crustaceans from Australian marine coastal waters Author Bruce, N. L. text Memoirs of Museum Victoria 2003 2003-12-31 60 2 309 369 https://museumsvictoria.com.au/collections-research/journals/memoirs-of-museum-victoria/volume-60-issue-2-2003/pages-309-369/ journal article 10.24199/j.mmv.2003.60.28 1447-2554 12209846 Margueritta Bruce Margueritta Bruce, 1993: 164 . Type species. Margueritta sylviae Bruce, 1993 , by original designation. Species included and distribution. Margueritta sylviae Bruce, 1993 ; Margueritta sandyi sp. nov. ; southern WA. Remarks. The new species differs from the type species in the brood-pouch morphology. The type species was re-examined to ensure that the original diagnosis was correct. Harrison (1984a) considered brood-pouch morphology to show important generic characters, and the differences between the two species could be considered to be of generic merit. However some genera, such as Sphaeroma ( Harrison, 1984a ) are known to be variable, and the two species Margueritta otherwise agree.