Annals of the South African Museum, Volume 72 |
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Page 42
VERTEBRAE AND RIBS Eleven vertebrae are present anterior to the sacrum . They have tall rectangular spines , moderately well - developed transverse processes and non - notochordal but shallowly amphicoelous centra .
VERTEBRAE AND RIBS Eleven vertebrae are present anterior to the sacrum . They have tall rectangular spines , moderately well - developed transverse processes and non - notochordal but shallowly amphicoelous centra .
Page 64
RIBS Ribs are present from the fourth ( the most anteriorly preserved ) vertebra posteriorly . The most anterior appears considerably shorter than those succeeding it . On this basis it may be considered a cervical .
RIBS Ribs are present from the fourth ( the most anteriorly preserved ) vertebra posteriorly . The most anterior appears considerably shorter than those succeeding it . On this basis it may be considered a cervical .
Page 76
Over the ventral half the ribs curve acutely forward , narrowing as they do so , and eventually pass over the venter with a ... they also pass over the venter , or they may arise in pairs from the ventral half of the crescentic rib .
Over the ventral half the ribs curve acutely forward , narrowing as they do so , and eventually pass over the venter with a ... they also pass over the venter , or they may arise in pairs from the ventral half of the crescentic rib .
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Contents
samples from the Mgazana Estuary Pondoland South Africa 31 50S | 17 |
CARROLL R L | 56 |
Africa Published November 1976 | 59 |
Copyright | |
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Common terms and phrases
abbreviated adult appear arrangement author's name authors Baculites Barnard base bearing body Bongo CALIFORNIA Cape Town capensis capital carapace closely collected Collignon complete described Description designated DIEGO differences distal dorsal Durban early elongate Family female figures four genus given gnathopod headings Holotype illustrations included indicated inner italics known larvae lateral length letters LIBRARY lobe locality longer male margin material maxilla myotomes Note occur original outer paratypes pereiopod placed position posterior present preserved proximal published ramus recorded references region relative Remarks ribs rostrum rounded scientific segment separates setae short shows similar single slightly Smith South African Museum species specimen spines stage strong surface Table teeth terminal third tubercles UNIVERSITY Upper uropod ventral volume whorl zone