Also found in: Wikipedia.
Related to Spirifer: Terebratula, Atrypa, Spiriferida
References in periodicals archive ?
Both sculptures were deeply satisfying Minimalist objects in the manner of California Light and Space work, even if one wasn't aware that they were meant to represent "the beginning of the universe." Meanwhile, a duo of smaller, plinth-based acrylic works--Spirifer I, 2017, and Spirifer II, 2017-18--took the form of flowing chromatic arabesques, but finally suggested a weirdly mawkish species of hotel lobby art more than they did the vibrant embodiments of the "invisible fire of the spirit" toward which they strived.
Based on brachiopods faunas, such as Orbiculoidea and Spirifer and Rhacopteris flora (Zollner and Amos, 1955, 1973; Freytes, 1969), this formation has been attributed to the late Carboniferous period (Herrero Ducloux, 1946; Amos, 1972).
The two ball chert zones in the middle Fredonia occur in a lithographic to finely crystalline limestone interval; white to gray color and includes spirifer brachiopods, horn corals, and the rugose coral (Lithostrotion harmodites).
dentata based on a well-preserved complete shell labelled as 'Spirifer dentatus Pander, Silur, Pulkowa' in The Natural History Museum, London (below NHM).
He had several new finds that Spirifer, the Polish group with which Jeff had traveled to Madagascar and Morocco, had brought over to show him.
From these, two genera from each order could be identified: Athyris and Spirifer, and Camartoechia and Rynchonella.
106): Spirifer tscheffkini Verneuil (1845), Porambonites dentatus Pander (1830), Porambonites costatus Pander (1830), and Spirifer terebratuliformis M'Coy (1846).
Since 1999 the Spirifer Geological Society of Poland has been carrying on a geological research project in Madagascar.
and Spirifer sp., and stated the collection "may be Silurian".
As late as our special issue on Bou Azzer (September-October 2007), dyscrasite had not been known to occur there; however, earlier this year, members of the Spirifer group of Warsaw, Poland brought back a few specimens of the silver antimonide which had just been found in the Bouismas mine, in the district's center (see my August 3 online report).
He showed me also some miniature-size, pale orange helvite crystals on quartz found for the first time at Madan, Bulgaria by the Spirifer group.