| Intro | Polish sportsperson and weightlifter |
| Is |
Athlete Weightlifter |
| From | Poland |
| Type | Sports |
| Gender | male |
| Birth | 15 July 1935, Zabrze, Silesian Voivodeship, Poland |
| Age: | 85 years |
Dictyonema is a genus of dendroid graptolites in the order Dendroidea.
Fossil record
Fossils of Dictyonema are found from the Upper Cambrian to the Devonian (age range: from 488.3 to 383.7 million years ago.). They are known from various localities in Europe, North America, South America, China and Morocco.
Description
These colonial organism are characterised by a conical, net-like structure. The colonies (known as rhabdosomes) are branched and may vary from almost discoidal to almos cylindrical. They were stationary planktonic suspension feeders.
Species
- †Dictyonema macgillivrayi Hall 1899
- †Dictyonema pulchellum Hall 1899
- †Dictyonema retiforme (Hall 1843)