The only genus of the family Hormograptidae erected by O.M.B. Bulman (1970).
Diagnosis:
"?Aberrant Crustoidea. Rhabdosome encrusting, irregularly branching; stolon system well developed, with triad budding commonly related to two stolothecae and an autotheca; autothecae adherent proximally, distally unknown; bithecae possibly absent or irregularly developed." (Bulman 1970, pp. V52-V53).
Mierzejewski (1985) wrote: "This diagnosis of the Hormograptidae was based only on observations made by Kozlowski on Hormograptus sphaericola (Öpik). It is worth noting that these observations were unillustrated and quite different from earlier observations published by Obut (1960), who reported only diad budding in this form)."
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