Very rare nice big fossil plant Bothrodendron lycopod fossil cone Bothrostrobus

Description

My genuine specimens will be delivered with a "Certificate of authenticity, age and origin"  and scientific papers allowing to plant identification !
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Specimen
:
Rare fossil plant:
Bothrostrobus sp.
- Bothrodendron lycopod fossil cone
Locality:
All accurate data will be provided with the specimen
Stratigraphy:
Upper Carboniferous  – Pennsylvanian -  Westphalian B
Age:
ca. 310 / 315 Mya
Matrix dimensions:
ca. 12,0 x 7,5 x 2,5 cm ( white square is 1,0 x 1,0 cm ) , cone ca. 10 cm long !
Description:
Very rare long
Bothrodendron
lycopod fossil cone.
Bothrodendron cones called
Bothrostrobus
were simmilar to lepidodendron cones
Lepidostrobus
, but more elongated, and somewhat similar to the shape of Sigillaria cones called
Sigillariostrobus
.
The
Bothrodendron
is the generic name for the arboresent lycopod like Lepidodendron or Lepidophloios. Specimens belonging to the lycopsid genus Bothrodendron are identified by distinctive shoots that have small superficial leaf scars. The species are distinguished on the basis of leaf scar shape and ornamentation on their stem surfaces. Of the two Pennsylvanian (upper Carboniferous) species,
Bothrodendron minutifolium
and
Bothrodendron punctatum
has been found several times with leafy shoots attached, but
Bothrodendron punctatum
has, until now, only been found as large leafless stems. The leafy specimen of Bothrodendron are relatively rare lycopsids.
Systematic :
Division:   Tracheophyta (Lycoposida)
Class:       Lycopodinae
Order:      Lycophodiales
Family:     Lepidodendraceae
Genus:
Bothrostrobus
Species:
Bothrostrobus sp.