Hippodonta gravistriata

(Patrick) Potapova 2013      Category: Symmetrical biraphid
BASIONYM: Navicula gravistriata Patrick 1959

Hippodonta coxiae

 

Hippodonta hungarica

LM scalebar = 10 µm = 80 pixels.



Observations

Contributor: Marina Potapova - February 2013
Length Range: 11-21 µm
Width Range: 4.0-6.7 µm
Striae in 10 µm: 11-13

Description

Valves are rhombic-lanceolate with attenuate apices. The striae are uniseriate, slightly radiate in the center and almost parallel or slightly convergent at the ends. Areolae are slit-shaped and number 42-50 in 10 mm. The central area is transverse and rectangular. The raphe is filiform and has tear-drop shaped distal and proximal ends. A row of areolae is present at the valve apex. The valvocopula are deep.



Original Description

Basionym: Navicula gravistriata
Author: Patrick 1959
Length Range: 12-22 µm
Width Range: 4-7 µm
Striae in 10 µm: 11-13

Original Description

Original Images


Cite This Page:
Potapova, M. (2013). Hippodonta gravistriata. In Diatoms of the United States. Retrieved April 16, 2014, from http://westerndiatoms.colorado.edu/taxa/species/hippodonta_gravistriata

Species: Hippodonta gravistriata

Contributor: Marina Potapova

Reviewer: Sarah Spaulding

Citations

Patrick, R.M. (1959). New species and nomenclatural changes in the genus Navicula (Bacillariophyceae). Proceedings of the Academy of Natural Sciences of Philadelphia 111 (1959): 91-108 . http://www.jstor.org/stable/4064508

Potapova, M. (2013). The types of 22 Navicula (Bacillariophyta) species described by Ruth Patrick. Proceedings of the Academy of Natural Sciences of Philadelphia 162: 1-23.

Links & ID's

Index Nominum Algarum (INA)

Transfer INA

California Academy of Sciences (CAS)

Hippodonta gravistriata CAS

North American Diatom Ecological Database (NADED)

NADED ID:

Autecology Discussion

Hippodonta gravistriata have been reported from the tidal zones of the Sabine River, Texas, and from the Patuxent and Potomac Rivers, Maryland.