Microworld

world of amoeboid organisms

Menu
Hedriocystis pellucida
Hedriocystis pellucida
Hedriocystis pellucida, bar = 10 µm

Genus Hedriocystis  Hertwig & Lesser, 1874
  
Diagnosis: Cell surrounded by a non-silicious stalked shell; shell hyaline, colorless, with small holes, pores, through which non-branching axopodia radiate; stalk not always distinct, at one species never observed; central nucleus; Schwärmer observed at two species, with one or two flagella.

Type species: Hedriocystis pellucida

Key to the species

 

1 Stalk longer than the test

2

Stalk shorter than the test

H. brachypous

2 Shell polygonal and/or with clear conical nipples

H. pellucida

Shell circular or ovoid in circumference

H. minor

Hedriocystis pellucida
Hedriocystis brachypous – from Siemensma 1982
Recent posts

Arcella guadarramensis

A. guadarramensis – after González-Miguéns et al., 2021 Arcella guadarramensis González-Miguéns & Lara, 2021 Diagnosis: Color ranges from transparent to yellow-orange. Sub hemispherical test shape, with flattened

Read More »

Galeripora

G. naiadis – after González-Miguéns et al., 2021 Genus Galeripora González-Miguéns, Soler-Zamora, Villar-dePablo, Todorov & Lara, 2021 Diagnosis: Tests built exclusively with proteinaceous organic material. Shape more

Read More »

Galeripora naiadis

G. naiadis – after González-Miguéns et al., 2021 Galeripora naiadis González-Miguéns, Soler-Zamora, Villar-dePablo, Todorov & Lara, 2021 Diagnosis: Color ranges from transparent to yellow-orange. The test has

Read More »

Galeripora balari

G. balari – after González-Miguéns et al., 2021 Galeripora balari González-Miguéns & Lara, 2021 Diagnosis: Color ranges from transparent to yellow-orange. General test shape is rounded and

Read More »

Galeripora sitiens

G. sitiens – after González-Miguéns et al., 2021 Galeripora sitiens González-Miguéns, Soler-Zamora, Villar-dePablo, Todorov & Lara, 2021 Diagnosis: Color ranges from transparent to yellow-orange. General test shape

Read More »

Galeripora bufonipellita

G. bufonipellita – after González-Miguéns et al., 2021 Galeripora bufonipellita González-Miguéns & Lara, 2021 Diagnosis: Color ranges from transparent to yellow-orange. General test shape is rounded and

Read More »

Galeripora succelli

G. succelli – after González-Miguéns et al., 2021 Galeripora succelli González-Miguéns & Lara, 2021 Diagnosis: Colour ranges from transparent to yellow-orange. Sub hemispherical test shape, with flattened

Read More »

Galeripora galeriformis

G. galeriformis – after González-Miguéns et al., 2021 Galeripora galeriformis González-Miguéns, Soler-Zamora, Villar-dePablo, Todorov & Lara, 2021 Diagnosis: Colour ranges from transparent to yellow-orange. General test shape

Read More »

Difflugia globulosa – Ogden

Difflugia globulosa, Crailoo, Netherlands, 2021 Difflugia globulosa (Dujardin, 1837) sensu Ogden, 1988 Diagnosis: Shell light to dark brown, spherical, composed of small and large quartz

Read More »

Leptomyxa spec.

Leptomyxa sp. Leptomyxa sp. Diagnose: Slowly moving amoeba with a long tubular body with some lobopodia at both ends extending in several directions and also

Read More »