Mucrospirifer sp.

UNB-2016-0536Fossils » Eukaryote » Animalia » Brachiopoda » Rhynchonellata

Description

Kingdom: Animalia Phylum: Brachiopoda Class: Rhynchonellata Order: Spiriferida Family: Microspiriferidae Genus: Mucrospirifer (Grabau, 1931) Four specimens with both the brachial and pedicle valves preserved. Prominent sulcus and fold. Large ribs and prominent concentric growth lines near the anterior margin. Rounded anterior margin and triangular/rounded posterior margin. Small beak. Faint plication.

Specifications

Object name	Mucrospirifer sp.
ID	UNB-2016-0536
Legal status	Permanent collection
Category	Fossil
Classification	Domain: Eukaryote Kingdom: Animalia Phylum: Brachiopoda Class: Rhynchonellata
Composition	Calcium carbonate
Origin	Unknown
Pieces	4
Partial	No
Measurements	3cm x 2.5cm x 0.9cm 2.9cm x 2.6cm x 0.7cm 3.1cm x 2.6cm x 0.8cm 2.7cm x 2.6cm x 0.8cm

Publications

Tillman, J. R. (1964). Variation in species of Mucrospirifer from Middle Devonian rocks of Michigan, Ontario, and Ohio. Journal of Paleontology, 952-964.