Processidae
Key for the identification of Processidae from Brazilian waters (modified from Manning & Chace 1971 and Noël 1986): 1. P 1 both chelate and lacking exopods; P 2 symmetrical. Ambidexter symmetricus 1 ’. Only one (usually the right) of P 1 chelate, the other P 1 ending in a simple dactylus. 2 2. P...
| Main Authors: | , |
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| Format: | Other/Unknown Material |
| Language: | unknown |
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2011
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| Subjects: | |
| Online Access: | https://zenodo.org/record/6188156 https://doi.org/10.5281/zenodo.6188156 |
| Summary: | Key for the identification of Processidae from Brazilian waters (modified from Manning & Chace 1971 and Noël 1986): 1. P 1 both chelate and lacking exopods; P 2 symmetrical. Ambidexter symmetricus 1 ’. Only one (usually the right) of P 1 chelate, the other P 1 ending in a simple dactylus. 2 2. P 1 with exopods. Nikoides schmitti 2 ’. P 1 without exopods. 3 3. Pleura of fifth abdominal segment with posterolateral tooth. Processa fimbriata 3 ’. Pleura of fifth abdominal segment rounded or angled posterolaterally, lacking distinct posterolateral tooth. 4 4. Antennal spine absent. 5 4 ’. Antennal spine present. 6 5. P 2 asymmetrical; rostrum not markedly deflexed anteriorly; right P 2 with 10–15 meral and 19–29 carpal articles, left P 2 with 3–4 meral and 13–15 carpal articles. Processa bermudensis 5 ’. P 2 symmetrical; rostrum deflexed anteriorly; right P 2 with 5 meral and 10–14 carpal articles. Processa vicina 6. P 2 symmetrical. Processa hemphilli 6 ’. P 2 asymmetrical. 6 7. Lobe on sixth abdominal segment above articulation of uropod produced into posterior spine. Processa profunda 7 ’. Lobe on sixth abdominal segment above articulation of uropod unarmed. 8 8. Stylocerite truncated obliquely, without a developed tooth or a well-defined outer anterior angle; basicerite unarmed. Processa brasiliensis 8 ’. Stylocerite truncated transversely, angled, or with a more or less developed outer anterior tooth; basicerite armed with a lateral spine. Processa guyanae Published as part of Almeida, Alexandre Oliveira & Bezerra, Luis Ernesto Arruda, 2011, Nikoides schmitti Manning & Chace, 1971 (Caridea: Processidae) in the South Atlantic Ocean, with an updated list and key for processid shrimps of Brazil, pp. 34-42 in Zootaxa 2864 on pages 39-40, DOI:10.5281/zenodo.277417 |
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