| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Hoplitoplacenticeras (Hoplitoplacenticeras) marroti
Taxonomy
Ammonites marroti was named by Coquand (1859) [DISTRIBUTION: Campanian; Europe.]. It is not a trace fossil.
It was recombined as Hoplitoplacenticeras marroti by Howarth (1965), Atabekyan and Khakimov (1976) and Kennedy (1986); it was recombined as Hoplitoplacenticeras (Hoplitoplacenticeras) marroti by Kennedy et al. (1992).
It was recombined as Hoplitoplacenticeras marroti by Howarth (1965), Atabekyan and Khakimov (1976) and Kennedy (1986); it was recombined as Hoplitoplacenticeras (Hoplitoplacenticeras) marroti by Kennedy et al. (1992).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1859 | Ammonites marroti Coquand p. 70 |
| 1965 | Hoplitoplacenticeras marroti Howarth p. 391 |
| 1976 | Hoplitoplacenticeras marroti Atabekyan and Khakimov p. 81 figs. Pl 9, fig 6; pl 13, figs 2-4 |
| 1986 | Hoplitoplacenticeras marroti Kennedy p. 70 figs. Pl 2, figs 3,4; pl 9, figs 1-8,11-12; pl 10, figs 1-12; pl 12, figs 1,2 |
| 1992 | Hoplitoplacenticeras (Hoplitoplacenticeras) marroti Kennedy et al. p. 272 |
Is something missing? Join the Paleobiology Database and enter the data
|
|
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.
†Hoplitoplacenticeras (Hoplitoplacenticeras) marroti Coquand 1859
show all | hide all
Diagnosis
No diagnoses are available
Measurements
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 3 | 20.2 | 16.2 | 28.3 | 18.0 | 6.53 | |
| shell diameter | 3 | 42.3 | 34.0 | 54.9 | 40.5 | 10.7 | |
| shell inflation | 3 | 9.05 | 8.20 | 10.5 | 8.60 | 1.23 |
|
|
||||
|
|
||||
|
|
||||
|
|
||||
| Source: o = order, c = class | |||||
| References: Kiessling 2004, Kiessling 2003 | |||||
Age range: Late/Upper Campanian or 83.50000 to 70.60000 Ma
Collections (18 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Campanian | Turkmenistan | Hoplitoplacenticeras marroti (186539) | |
| Late/Upper Campanian | Netherlands | Hoplitoplacenticeras marroti (82921) | |
| Late/Upper Campanian | Angola | Hoplitoplacenticeras marroti (88883) | |
| Late/Upper Campanian | Tajikistan | Hoplitoplacenticeras marroti (186537 186538) | |
| Late/Upper Campanian | France | Hoplitoplacenticeras marroti (82291 165816 165841 165851 165852 165853 165854 165855 165856 165857 165858 165859 165860) |