| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Parahsuum mostleri
Original description: Test small, conical, usually with seven to nine post-abdominal chambers. Cephalis dome-shaped without horn. Thorax and subsequent chambers trapezoidal in outline. Cephalis and thorax sparsely perforate, covered with layer of microgranular silica. Abdomen and all post-abdominal chambers comprised of then, longitudinal costae superimposed on each row of pore frames. About nine to ten costae visible laterally. Pore frames medium in size. Chambers increasing gradually in width as added with final post-abdominal chamber remain ing in the same width or decreasing slightly in width.
Original remarks: Drulanta mostleri, n. sp., differs from D. mirifica, n. sp., by having a shorter with smaller cephalis.
Etymology: This species is named after Dr. H. Mostler in honor of his studies on the Mesozoic Radiolaria.
It was recombined as Parahsuum mostleri by Whalen and Carter (2002) and Gorican et al. (2006).
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| Year | Name and author |
|---|---|
| 1987 | Drulanta mostleri Yeh |
| 1987 | Drulanta mirifica Yeh p. 72 figs. Pl. 4, fig. 8; Pl. 18, figs. 5, 7-8, 23 |
| 1987 | Drulanta mostleri Yeh p. 72 figs. Pl. 18, figs. 3, 4, 21 |
| 1997 | Parahsuum mirifica Yao |
| 2002 | Parahsuum mostleri Whalen and Carter |
| 2006 | Parahsuum mostleri Gorican et al. p. 280 |
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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.
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| Source: p = phylum | |||||
| Reference: Kiessling 1999 | |||||
Age range: base of the Pliensbachian to the top of the Early/Lower Jurassic or 190.80000 to 174.70000 Ma
Collections (43 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Jurassic | Japan | Parahsuum mostleri (125774) | |
| Hettangian - Pliensbachian | Japan | Parahsuum mostleri (120183 120186) | |
| Sinemurian - Pliensbachian | Japan | Parahsuum mostleri (120002 120256 120258) | |
| Early/Lower Sinemurian | Philippines | Drulanta mirifica (51814 51815 51816) | |
| Pliensbachian | Mexico (Baja California Sur) | Parahsuum mostleri (33567) | |
| Pliensbachian | USA (California) | Parahsuum mostleri (87216) | |
| Early/Lower Pliensbachian | Canada (British Columbia) | Parahsuum mostleri (119703 119709 119713 119714 119716 119746 119748 119766 119767 119768 119770 119771 119773 119775 119788 119790 119791 119792 119800 119808 119810) | |
| Late/Upper Pliensbachian | Canada (British Columbia) | Parahsuum mostleri (71080 119711 119776) | |
| Late/Upper Pliensbachian | Austria (Styria) | Parahsuum mostleri (95555) | |
| Early/Lower Toarcian | Japan | Parahsuum mirifica (51710) | |
| Early/Lower Toarcian | USA (Oregon) | Drulanta mirifica (124331 124334) Drulanta mostleri, Drulanta mirifica (type locality: 124328) | |
| Early/Lower Toarcian | Slovenia | Parahsuum mostleri (67152) | |
| Middle Toarcian - Late/Upper Toarcian | Greece | Parahsuum mostleri (142135) | |
| Early/Lower Aalenian - Middle Aalenian | Japan | Parahsuum mirifica (51711) |