Stephanotheca

Reverter-Gil, Oscar, Souto, Javier & Fernández-Pulpeiro, Eugenio, 2012, A new genus of Lanceoporidae (Bryozoa, Cheilostomata), Zootaxa 3339, pp. 1-29 : 5

Key to the species of genus Stephanotheca

1. Primary orifice elliptical with wide U-shaped sinus; sporadic vicarious avicularia.......................... S. barrosoi

- Primary orifice otherwise shaped; vicarious avicularia lacking.................................................... 2

2. Primary orifice orbicular, as wide as long; condyles smooth............................................. S. ambita

- Primary orifice otherwise shaped; condyles serrated............................................................ 3

3. Primary orifice orbicular, wider than long; sinus shallow; condyles small. Suboral avicularia oval..................... 4

- Primary orifice triangular to drop-shaped; condyles large; avicularia variously shaped........ ( S. ochracea species group)... 5

4. Suboral avicularia close to orifice, often lacking; ovicell with central, rounded, perforate area.................. S. watersi

- Suboral avicularia distant from orifice; ovicell with an arch of perforations................................ S. victoriensis 5. Avicularia long, triangular, occupying almost entire length of the frontal surface; ovicell conical.............. S. arrogata - Avicularia and ovicell shaped otherwise..................................................................... 6 6. Avicularia in the proximal area of the frontal surface, triangular, small; ovicell endozooidal................ S. triangulata - Avicularia central, large....................................................................... S. monoecensis - Avicularia suboral........................................................................................ 7 7. Avicularia oval to lanceolate; sporadic gigantic avicularia occupying almost entire frontal shield, which is perforated by about