Annals of the South African Museum, Volume 91 |
From inside the book
Results 1-3 of 37
Page 110
Spiramen large , round ; situated in the middle of the zooid , well proximal to the
secondary orifice . A single avicularium present in early ontogeny , elongate ,
extending obliquely medially , between the spiramen and the secondary orifice .
Spiramen large , round ; situated in the middle of the zooid , well proximal to the
secondary orifice . A single avicularium present in early ontogeny , elongate ,
extending obliquely medially , between the spiramen and the secondary orifice .
Page 110
situated with the rostra extending between the spiramen and the proximal border
of the secondary orifice ; rarely , the avicularia may be developed frontally ,
proximal to the spiramen . Vicarious avicularia developed along the branch edge
...
situated with the rostra extending between the spiramen and the proximal border
of the secondary orifice ; rarely , the avicularia may be developed frontally ,
proximal to the spiramen . Vicarious avicularia developed along the branch edge
...
Page 110
Frontal wall convex , nodular , with small but distinct pores ; spiramen circular ,
situated close to base of peristome . Sinus of primary orifice visible through it in
newly developed zooids . Avicularia typically single , rarely paired , situated
lateral ...
Frontal wall convex , nodular , with small but distinct pores ; spiramen circular ,
situated close to base of peristome . Sinus of primary orifice visible through it in
newly developed zooids . Avicularia typically single , rarely paired , situated
lateral ...
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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