Batrachospermum sp., copyright Gary Baird.

Belongs within: Nemaliophycidae.

The Batrachospermales are a group of freshwater red algae characterised by uniaxial gametophytes, together with pit plugs with a domed outer cap layer but no cap membrane (Müller et al. 2002).

| i. s.: Tuomeya americanaMS02
| Paralemanea catenataMS02
| Nothocladus nodosusMS02
| ‘Audouinella’ macrosporaMS02
|--Lemanea [Lemaneaceae, Lemaneae]HS02
| |--L. fluriatilis [=Sacheria fluriatilis]G03
| `--L. torulosaG64
|--Psilosiphon scopariumHB03
| |--S. huillensisMS02
| `--S. suecicaMS02
|--B. alpestreG64
|--B. atrumMS02
|--B. bombusinumG64
|--B. boryanumMS02
|--B. gelatinosumMS02 [incl. B. confusumG64]
|--B. helminthosumMS02
|--B. louisianaeMS02
|--B. macrosporumMS02
|--B. moniliformeG64
|--B. proliferumG64
|--B. pulcherrimumG64
|--B. rubrumG64
|--B. stagnaleG64
|--B. turfosumMS02
|--B. vagumG64
`--B. virgatodecaisneanumMS02

*Type species of generic name indicated


[G03] Gnilovskaya, M. B. 2003. The oldest tissue differentiation in Precambrian (Vendian) algae. Paleontologicheskii Zhurnal 2003 (2): 92–98 (translated: Paleontological Journal 37 (2): 196–204).

[G64] Gray, J. E. 1864. Handbook of British Water-weeds or Algae. R. Hardwicke: London.

[HS02] Harper, J. T., & G. W. Saunders. 2002. A re-classification of the Acrochaetiales based on molecular and morphological data, and establishment of the Colaconematales ord. nov. (Florideophyceae, Rhodophyta). European Journal of Phycology 37: 463–476.

[HB03] Harvey, A. S., S. T. Broadwater, W. J. Woelkerling & P. J. Mitrovski. 2003. Choreonema (Coralllinales, Rhodophyta): 18S rDNA phylogeny and resurrection of the Hapalidiaceae for the subfamilies Choreonematoideae, Austrolithoideae, and Melobesioideae. Journal of Phycology 39: 988–998.

[MS02] Müller, K. M., A. R. Sherwood, C. M. Pueschel, R. R. Gutell & R. G. Sheath. 2002. A proposal for a new red algal order, the Thoreales. Journal of Phycology 38: 807–820.

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