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Promathilda (Teretrina) obtusa
Taxonomy
Promathilda (Teretrina) obtusa was named by Haas (1953). It is a 3D body fossil. Its type locality is Cerro de Pasco area, Ninacaca, loc. 86, which is in a Rhaetian marine limestone in Peru.
Sister species lacking formal opinion data
P. antonii, P. bolina, P. colon, P. contraria, P. decorata, P. decussata, P. milierensis, P. multituberculata, P. parvilis, P. rhaetica, P. sinemuriensis, P. stuoresensis, P. subnodosa, P. tenuicarinata, P. winkleri, P. sinemuriensis, P. perarmatae, Promathildia semele, Teretrina canaliculata, Teretrina schulberti, Teretrina stuorensis
Synonymy list
| Year | Name and author |
|---|---|
| 1953 | Promathilda (Teretrina) obtusa Haas p. 199 figs. Pl 12, figs 64,71,72; pl13, figs 1-9,11-18,26 |
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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.
†Promathilda (Teretrina) obtusa Haas 1953
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Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 75 | 4.03 | 1.34 | 19.1 | 3.65 | 3.70 |
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| Source: f = family, c = class | |||||
| References: Kiessling 2004, Hendy et al. 2009 | |||||