Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum . % Fig. 100. Texanites collignoni sp. nov. Paratype SAS-Z1754. x 0,5. Discussion This species is common in the Lower Santonian of Zululand, and theauthors (Kennedy & KHnger 1975: 279) initially identified it with Texanitesoliveti (Blanckenhorn). Texanites oliveti, however, is a very poorly knownspecies, as the figures provided by Taubenhaus (1920: 30, pi. 5 (figs 3, 5)) arevery much reduced. According to Blanckenhorn (1905: 104) the species isidentified by: 26 to 28 strong ribs, slightly narrower than the interspaces,s
Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum . % Fig. 100. Texanites collignoni sp. nov. Paratype SAS-Z1754. x 0,5. Discussion This species is common in the Lower Santonian of Zululand, and theauthors (Kennedy & KHnger 1975: 279) initially identified it with Texanitesoliveti (Blanckenhorn). Texanites oliveti, however, is a very poorly knownspecies, as the figures provided by Taubenhaus (1920: 30, pi. 5 (figs 3, 5)) arevery much reduced. According to Blanckenhorn (1905: 104) the species isidentified by: 26 to 28 strong ribs, slightly narrower than the interspaces,simple, single, radial and slightly forwardly curved on the ventral third of the CRETACEOUS FAUNAS FROM SOUTH AFRICA 133 flanks. The undulations on the keel correspond with the ribs. The ribs bearfive rows of tubercles. . The umbilical tubercles and the two outer rows arestrongest developed, while the second (lateral) row is always poorest developed.(Authors free translation.) This description fits the material rather well, but Z. Lewy (pers. ) has informe
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Keywords: ., bookcentury1800, bookdecade1890, booki, booksubjectnaturalhistory
