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Rhizammina
Taxonomy
Rhizammina was named by Brady (1879) [Sepkoski's age data: R]. It is extant. It was considered unknown by Brady (1879).
It was assigned to Rhizamminidae by Brady (1879), Cushman (1927), Morlotti (1988); to Rhabdammininae by Loeblich and Tappan (1988); and to Foraminiferida by Sepkoski (2002).
It was assigned to Rhizamminidae by Brady (1879), Cushman (1927), Morlotti (1988); to Rhabdammininae by Loeblich and Tappan (1988); and to Foraminiferida by Sepkoski (2002).
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1879 | Rhizammina Brady |
| 1927 | Rhizammina Cushman p. 7 |
| 1988 | Rhizammina Loeblich and Tappan |
| 1988 | Rhizammina Morlotti p. 275 |
| 2002 | Rhizammina Sepkoski |
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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.
G. Rhizammina Brady 1879
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| H. B. Brady 1879 | Test free, tubular, branching, flexible; forming tangled weed-like tufts of indefinite size. Texture chitino-arenaceous, slightly rough externally; colour brown. |
Measurements
No measurements are available
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| Source: subo = suborder, o = order | |||||
| References: Loeblich and Tappan 1984, Kiessling 2004 | |||||
Age range: base of the Early/Lower Givetian to the top of the Pleistocene or 387.95000 to 0.01170 Ma
Collections (69 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Givetian | Germany | R. algaeformis (227413) | |
| Late/Upper Bajocian | Russian Federation (Karachay-Cherkessia) | R. indiviza (198639 198644 198646 198673 198680 198681 198695) | |
| Late/Upper Berriasian | Poland (Masovian Voivodship) | R. indivisa (192536 192620) | |
| Early/Lower Valanginian | Poland (Masovian Voivodship) | R. indivisa (192621 192622 192623 192624) | |
| Late/Upper Valanginian | Poland (Masovian Voivodship) | R. indivisa (192625) | |
| Barremian | Indian Ocean | R. algaeformis (254762) | |
| Albian | Indian Ocean | R. algaeformis (249908 254750) | |
| Albian - Cenomanian | Indian Ocean | R. algaeformis (254749) | |
| Late/Upper Cenomanian | Egypt | R. indivisa (141572) | |
| Turonian | Indian Ocean | R. algaeformis (257964 257966 257968 257976) | |
| Santonian | Indian Ocean | R. algaeformis (257945) | |
| Late/Upper Campanian | Italy | R. algaeformis, R. indivisa (91387) | |
| Early/Lower Maastrichtian | Italy | R. indivisa (91388) | |
| Late/Upper Maastrichtian | Ukraine | R. indivisa (91057 91058 91060 91061 91065 91068 91069) | |
| Danian | Ukraine | R. indivisa (91070 91073) | |
| Paleocene | Indian Ocean | R. algaeformis (249892) | |
| Tertiary | Indian Ocean | R. algaeformis (257942 257943) | |
| Cenozoic | Indian Ocean | R. algaeformis (257291) | |
| Eocene | Indian Ocean | R. algaeformis (249878 258520 258522) | |
| Priabonian | USA (Washington) | R. sp. (205200) | |
| Oligocene - Neogene | Indian Ocean | R. algaeformis (259237) | |
| Middle Miocene | North Pacific | R. sp. (249616) | |
| Middle Miocene - Tortonian | Peru | R. sp. (176144) | |
| Pliocene | North Atlantic | R. spp. (268289) | |
| Gilbert | North Pacific | R. sp. (257768) | |
| Pleistocene | North Atlantic | R. spp. (260145 260787 260796 260798 260803 264669 264670 264672 264683 264684 264829 264837 266426 266428 266431 266434 266436 266437 266774) | |
| NN21 | North Pacific | R. algaeformis (273840) |