The

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In the hierarchy of biological classification, genus com ...

''Milaculum'' was erected to contain isolated plates that have since been identified as components of

palaeoscolecid The palaeoscolecids are a group of extinct ecdysozoan worms resembling armoured priapulids. They are known from the Lower Cambrian to the late Silurian; they are mainly found as disarticulated sclerites, but are also preserved in many of the Camb ...

worm Worms are many different distantly related bilateral animals that typically have a long cylindrical tube-like body, no limbs, and no eyes (though not always). Worms vary in size from microscopic to over in length for marine polychaete wor ...

s. They are adorned with regularly arranged humps that recall the arrangement of holes in '' Microdictyon''. The plates are sometimes found in association with palaeoscolecid

cuticle A cuticle (), or cuticula, is any of a variety of tough but flexible, non-mineral outer coverings of an organism, or parts of an organism, that provide protection. Various types of "cuticle" are non- homologous, differing in their origin, structu ...

.1 Boogaard, M. Van Den 1988 Some data on ''Milaculum'' Müller, 1973. Scr. Geol. 88, 1–25. http://www.repository.naturalis.nl/document/148821

References

Prehistoric protostome genera Paleoscolecids Paleozoic life of Nunavut {{Cambrian-animal-stub