Currently, only one species, Trichoplax adhaerens, is acknowledged to belong to the Placozoa. The Italian Francesco Saverio Monticelli described another species in 1893, which he found in the waters around Naples, naming it Treptoplax reptans.
A standard mallet has a head length of 9 to 9.5, and this is recommended for beginners. Expert players may use longer head lengths up to 12, as this is thought to make aiming more accurate and makes it harder to accidentally twist the mallet during the stroke.
1 While croquet is played with six wickets or nine wickets, roque is played with ten arches configured similarly to nine-wicket lawn croquet. 2  However, the two center arches count as a single arch. 3  Roque has two stakes, as in lawn croquet, the home stake and the turning stake..