Annals of the South African Museum, Volume 91 |
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Page 77
A single avicularium adjacent to spiramen , rostrum acute triangular , directed
distally ; becoming quite immersed , below ... Additional avicularia may develop
laterally , between the spiramen and the secondary orifice , smaller than the
frontal ...
A single avicularium adjacent to spiramen , rostrum acute triangular , directed
distally ; becoming quite immersed , below ... Additional avicularia may develop
laterally , between the spiramen and the secondary orifice , smaller than the
frontal ...
Page 110
Other avicularia rare . Marginal vicarious avicularia absent A . infirmata sp . nov .
- Primary orifice oval or rounded . No concavity proximal to spiramen 3 . Primary
orifice almost circular . Spiramen oval , situated close to distal end of peristome ...
Other avicularia rare . Marginal vicarious avicularia absent A . infirmata sp . nov .
- Primary orifice oval or rounded . No concavity proximal to spiramen 3 . Primary
orifice almost circular . Spiramen oval , situated close to distal end of peristome ...
Page 110
A single avicularium present in early ontogeny , elongate , extending obliquely
medially , between the spiramen and the secondary orifice . Smaller frontal
avicularia abundant in later ontogenetic stages . . . . . A . majuscula Hayward &
Cook ...
A single avicularium present in early ontogeny , elongate , extending obliquely
medially , between the spiramen and the secondary orifice . Smaller frontal
avicularia abundant in later ontogenetic stages . . . . . A . majuscula Hayward &
Cook ...
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Common terms and phrases
Adeonella appears avicularia basal base BMNH border boss branch broad Broom Bryozoa Busk calcification capital characteristic characters chiefdoms closely collected Colony encrusting condyles dentary described Description Colony developed dicynodonts directed distal distinct distribution dorsal edge elongate erect extending Family Figure foramen forms Frontal wall further genera genus grooves Harmer Hayward & Cook hexagonal included lateral length live lower jaw mandible marginal Material Stations SM Measurements means medially Museum narrow Note O'Donoghue opesia oral spines original oval Ovicell paired palatal palatine parietals peristome Polyzoa pores posterior postorbital present Primary orifice prominent proximal pterygoid references region Remarks reported ridge rostrum rounded Ryland secondary separated short showing side similar single situated skull slender South African species spiramen Stations SM 163 surface Table teeth triangular tusk type specimen typically values ventral wide zooids
Bibliographic information
| Title | Annals of the South African Museum, Volume 91 Annals of the South African Museum, South African Museum |
| Author | South African Museum |
| Publisher | South African Museum, 1983 |
| Original from | the University of Michigan |
| Digitized | 5 Oct 2006 |
| ISBN | 0868130443, 9780868130446 |
| Export Citation | BiBTeX EndNote RefMan |