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Bitumulina bitumulata
Taxonomy
Phillipsia bitumulata was named by Weber (1932). It is the type species of Bitumulina.
It was recombined as Bitumulina bitumulata by Osmólska (1970).
It was recombined as Bitumulina bitumulata by Osmólska (1970).
Synonymy list
| Year | Name and author |
|---|---|
| 1932 | Phillipsia bitumulata Weber p. 45 figs. PI. 4. Figs 1-15 |
| 1970 | Bitumulina bitumulata Osmólska pp. 46 - 47 figs. PI. Ill. Figs 8. 17 |
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
†Bitumulina bitumulata Weber 1932
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| H. Osmólska 1970 | Cephalon with short spines, cephalic border broad, flat; glabella constricted at Sa, broadly rounded frontally, narrower anteriorly than across the base; preoccipital furrow sharp, delimiting median preoccipitallobe; palpebral lobe very broad (tr.) opposite the posterior half of glabella; anterior branches of facial' suture somewhat divergent; hypostoma elongate, parallel-sided; thorax unknown; pygidium longer than semicircle, broadly rounded posteriorly with well defined somewhat convex border; axis long, reaching the border, with 15-16 flat rings; 11 flat ribs divided into two equally broad (exsag.) bands; ornamentation of glabella consisting of large, flattened tubercles, symmetrically arranged along the midline; pygidium finely granulated. |
Measurements
No measurements are available
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| Source: f = family, o = order, c = class | |||||
| References: Whittington et al. 1997, Aberhan et al. 2004, Fortey and Owens 1999 | |||||