Annals of the South African Museum, Volume 91 |
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Page 93
Remarks In later ontogenetic stages the marginal pores of the zooids are
particularly distinct , appearing as elongate tubular structures within the rather
vitreous calcification , and appear to be associated with the production of
numerous small ...
Remarks In later ontogenetic stages the marginal pores of the zooids are
particularly distinct , appearing as elongate tubular structures within the rather
vitreous calcification , and appear to be associated with the production of
numerous small ...
Page 110
Frontal wall thin and hyaline , with a few radiating sutures ; marginal pores
distributed in a single series , small and rather inconspicuous . Ascopore situated
just proximal to orifice in the distal half of the zooid , small , transversely oval ; a
short ...
Frontal wall thin and hyaline , with a few radiating sutures ; marginal pores
distributed in a single series , small and rather inconspicuous . Ascopore situated
just proximal to orifice in the distal half of the zooid , small , transversely oval ; a
short ...
Page 110
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 , flanked by small ...
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 , flanked by small ...
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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