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CaRMS source details
Gale, A. S. (2015). Origin and phylogeny of the Cretaceous thoracican cirripede family Stramentidae. Journal of Systematic Palaeontology. 14(8): 653-702.
376817
10.1080/14772019.2015.1091149 [view]
Gale, A. S.
2015
Origin and phylogeny of the Cretaceous thoracican cirripede family Stramentidae
Journal of Systematic Palaeontology
14(8): 653-702
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Thoracicalcarea (original description)
Additional information for Thoracicalcarea Buckeridge and Newman (2006) revised Thoracica and divided Thoracica into orders Cyprilepadiformes (fossil only), ... [details] Diagnosis Angulatergum in which peduncular plate columns are only weakly interdigitate, and the upper margin of the median ... [details] Diagnosis Angulatergum in which the apical margin of peduncular plates of the median column is strongly convex. [details] Diagnosis Angulatergum in which the plates of the median latus, carinolatus and scutal peduncular columns interdigitate ... [details] Diagnosis Stramentinae in which the umbo of the scutum is apical in position, and the upper latus approximates an acute ... [details] Diagnosis Leweslepas with a tall, narrow scutum, the basal margin of which is set at right angles to the lower part of the ... [details] Diagnosis Leweslepas gen. nov. in which the scutum is only slightly taller than broad, the occludent margin of the tergum ... [details] Diagnosis Leweslepas in which the scutum is tall and erect, the rostrum is low and broad, the tergum has a long occludent ... [details] Diagnosis Leweslepas in which the scutum is twice as tall as broad. The occludent margin is gently convex, and the basal ... [details] Diagnosis Leweslepas with a very tall narrow scutum, more than three times taller than broad. The basal margin is angled at ... [details] Diagnosis Loriculina in which the scutum is low; the angle between the basal margin and that with the upper latus is obtuse ... [details] Diagnosis Loriculina in which the scutum is relatively low, with the angle between the basal and upper lateral margins of the ... [details] Diagnosis Loriculina in which the scutum is upright, the angle between the basal and upper lateral margin is relatively acute ... [details] Diagnosis Loriculinae in which the scutal umbo is positioned centrally to subcentrally (5?6/10), and the rhombic scutum has a ... [details] Diagnosis Metaloriculina in which the apex of the scutum is short and not pointed; there is a discrete tergal surface on the ... [details] Diagnosis Metaloriculina in which the apical portion of the scutum is tall and pointed. [details] Diagnosis Body asymmetrical, inclined towards rostral side; peduncular plates angled to mid line, scutal and carinolatus ... [details] Diagnosis Parastramentum in which the basal angle of the scutum is well rounded, and the scutal umbo is subcentral. [details] Diagnosis Parastramentum in which the scutum bears a slightly raised, flat-topped and sharply defined triangular ridge ... [details] Diagnosis Parastramentum in which the scutum possesses a large triangular, inset, rostral articulation surface. The tergum ... [details] Diagnosis Stramentinae in which the scutal umbo is subapical to central in position; the tergum is flat and triangular with ... [details] Diagnosis Stramentum in which the scutal umbo is positioned high on the occludent margin; the lateral and rostral surfaces ... [details] Diagnosis Occludent margin moderately inflexed at level of upper latus; umbonal angle of scutum acute (130?), forming ... [details] Diagnosis Stramentum in which the occludent margin is strongly inflected at the apex of the median latus; carinolatus, tergum ... [details] Diagnosis Occludent margin weakly inflexed at upper part of scutum, scutal umbo subcentral (6/10); apical quarter of lateral ... [details] Diagnosis Rostral margin of capitulum more strongly convex than carinal margin. Scutum trapezoidal, with acute rostral angle ... [details] Diagnosis A small species of Stramentum in which the peduncle is proportionately low and broad; the capitular angle is low ... [details] Diagnosis Stramentum in which the occludent margin is straight to slightly convex, and the angle of the occludent margin to ... [details] Diagnosis for Thoracicalcarea Diagnosis. Thoracica in which the shell plates are composed of calcite. [details] |